Marginal Operation - Chapter 60

https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDIubXBxc2Mub3JnL21lZGlhLzAwMDA0L2ltYWdlcy81OC9jYS81OGNhM2NlYTlkYWJhNjEyMjlkNDY4ZDczMzVmNThkOTdmZTExZGM1XzM1NDQwXzcxOF83OTkuanBn,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDUubXBtb2sub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9lMi80ZC9lMjRkNDk0ZTIwMTE2MGEwNzQ2ZTkzZTZiNWY4OGZhY2Q5ZWM5OGI5XzIwMjA1NF84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDgubXBtb2sub3JnL21lZGlhLzAwMDA0L2ltYWdlcy81Zi9hZi81ZmFmNzljMTYxMmVlNTM5MTdkNGQ4NzRiOTk2Y2NmNzE3MzcyOGY4XzU3NTYxXzg3MF8xMjM2LmpwZw==,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDgubXBtb2sub3JnL21lZGlhLzAwMDA0L2ltYWdlcy8xNy81NS8xNzU1M2IyMTk2NjlhY2NmNTIwOGU4MGUxZjhjYjVmOThjZjE0NDY3XzM2NjU4Xzg3MF8xMjM2LmpwZw==,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDYubXBybm0ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy82ZS8xOC82ZTE4OGFlMDY5ZmVkY2ZjOWZhZGZkNDI4OTUzOTkzNWQ2MzNlYmFkXzI3OTgxOV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDEubXBybm0ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy8xNC85NC8xNDk0ZmQ4ZTE3NmU0OWQ4ZWFmN2IxNGQzYTgwYzY4NzIzMWJmNWYyXzMyNjU4Ml84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDMubXBpenoub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9hNS84NS9hNTg1MmE1ODcxNjEyZmQyYWY5NzkzZmVkNjBlOTJhNDU5YzhmNDA1XzIyNTUxMV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDMubXBxb20ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy84ZC8xYS84ZDFhZTJkM2I0MWNhYWFhMmI1OWFlMzQ1OTIyMzA1YzE5YTYzNTkyXzI0NjI1Nl84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDMubXBybm0ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9iOS8wZi9iOTBmZjNiZGM4NWI1NThjNGI1ZDk4ZjQ5ZDU5M2UwZTAyNTNmNWJhXzI1NTE1Ml84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDgubXB1amoub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9lZS8xMC9lZTEwYjY1ZmUyODI3YzVlYTk1MjRkY2JjYmZhZDMyZDc2MTQyYTAxXzE4NDA0OV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDIubXBtb2sub3JnL21lZGlhLzAwMDA0L2ltYWdlcy82Zi8yZC82ZjJkZTI0MzEzZGE4YzlmZDYxNTRjMWQ0YTU3MTQ0YTI1ZjFhODg0XzIyMTM3MV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMTAubXBxc2Mub3JnL21lZGlhLzAwMDA0L2ltYWdlcy8yNC82ZC8yNDZkMWRmY2UyM2I4NmUzZTQ3NGQyMmRmYmY3MzI4MTU0YWM5ZjI3XzI0NDQyMl84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMTAubXBpenoub3JnL21lZGlhLzAwMDA0L2ltYWdlcy8xMi9lNC8xMmU0NTUyMjM3MGU1NzRjNTg1NTVjYTNjMTU3MDgzODFkNmZiODM4XzIxMjcwMV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDEubXB5cGwub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9jMy9iNC9jM2I0MWYxYTJlNTk3Zjg2NmRiMDMzYTI4NGYwOTQ4ZGM0NWUxYmZmXzIwMjE3Nl84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDcubXB2aW0ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9jNC9lMC9jNGUwNjY2OWI4NzczNDYwYjA1NzIxZGE4MDUyMjNjNmMwZmQ5MWRhXzE4MzcyMF84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDUubXB1Ym4ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9hNC9hMS9hNGExZTUwNzM1MGZkNjA2NjZmYWMzMTU3YTY0OGFiYjNhYzMxYWY3XzI4NTgyMl84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDYubXB1amoub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9lNy80My9lNzQzNzAwNGFkN2M2MTJjNTNhNGZmZjc2ZWNiNTU2OWIxNmNlZWEyXzI0NjE1NV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDgubXBxb20ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9kYy85Mi9kYzkyNGMyNmYzOThlMWQyYWRlMjE1YjdmNmE5ZDE2YmExMTM0OGQ1XzE5MTMzMV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDgubXBxb20ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy82Ny8wYS82NzBhZWRiMDlhN2I4ZWUyMTAyMGRiMGU1ZmQwOGU4NDc5Y2NhZjFiXzMwODY1NV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDEubXBmaXAub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9kZS85Ny9kZTk3ODBlNTQ5ZjMyZmJjNjgwMzRlYjZhNWExN2Y1YmU3NTU2OTM3XzI0ODY2OV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDkubXBxc2Mub3JnL21lZGlhLzAwMDA0L2ltYWdlcy8wYS85My8wYTkzMDliN2M1NDkxNThmMmRlZTRlOTAxNzVjZDQ2MThjYjQ5MjRlXzIwNTA2Nl84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDEubXB5cGwub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9lOS9jYy9lOWNjZDZlMzI1NmUyZjg5NjU3OTQ5NzQ3YjBlMzEzMDM5NTRhZDI2XzIwNDExOV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDYubXBpenoub3JnL21lZGlhLzAwMDA0L2ltYWdlcy83ZC85Yi83ZDliNGY0YWJiMTg3NjBkNTE4YTU0ZWYyMzhjNjk4MzFkODEzZTYwXzI1OTU0Ml84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMTAubXB1Ym4ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9mZi85ZS9mZjllNjk5YTRmODA2ZmFiZDIzZTdjYzFhNDQzYzg5YmZkNWJjMWQ1XzMxODk3N184NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDgubXB5cGwub3JnL21lZGlhLzAwMDA0L2ltYWdlcy8wOC8xMi8wODEyMWJjYjIyZDMxMjBkODY0NzRkMzAzZjViNTZlODQwZTA3YWYwXzI3MDEwNl84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDcubXBxc2Mub3JnL21lZGlhLzAwMDA0L2ltYWdlcy82YS9hMC82YWEwNjRkYzMzM2QyNGIxZDFlYzBkN2ZmNzA5MGVmZmE1ZDc4NjA5XzI0NjQ1N184NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDMubXBxb20ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy8zNS9iMC8zNWIwOTRiNDA2ZmFiZTZkYWM5MjIzYjc2ODIxZTNiNmRmOGVmN2Y5XzMyMjI4NF84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDMubXBxb20ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy80MS8wNC80MTA0YTI0NGU2YmQ5M2FmMDU3YjQ4ODk5ZTE3MzIyMjY1Yjk4OWVkXzI4NTYxMV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDQubXBpenoub3JnL21lZGlhLzAwMDA0L2ltYWdlcy8yOS82Mi8yOTYyYzY4ZTAwZWExMmQwNjViODVhNzgyZmRiYTJiMGFhMmQ4ZTI2XzI0NDc5Ml84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDEubXBybm0ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9lNS9lOC9lNWU4ZmU1ZWE2MTkxNTMyZTRjZGJkM2I2M2I1Mzk2YjY3NmFhNDBmXzMzNjg2NF84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDYubXBxc2Mub3JnL21lZGlhLzAwMDA0L2ltYWdlcy83YS8zNS83YTM1ZjIxZDRhY2ZlYTI2M2U5NTg4YTMzOWQwMmIxNGNjZjcyZDJjXzMyNDgyOF84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDEubXB1Ym4ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy8xNS8wNC8xNTA0Y2Q1OWZhN2RjMTBjN2QwNGYxYmE2YmQyYjUyMzU4M2M1NGEyXzI4ODE3MF84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDQubXB1Ym4ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy80ZC8xYi80ZDFiNWFkY2RiMjk3ODFmMWQzNjkyYWQ4NDM1ZWNkMzlkYzFjNDM0XzI0OTk4MV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDkubXBybm0ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy84YS83NS84YTc1ZTc4Njc0NWU0ZjM1OTg5MTc4NTI0OGFhMjJhZTFjNDAwMzQyXzIyNjcxMV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDkubXB1Ym4ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy85ZS9kZS85ZWRlNGM4NDZmNDJlNjk3ZGVkZGZmNmNkOTZhMDE3MWZlODBhOGU4XzE5OTU5MF84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDYubXB1amoub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9lMy9jNC9lM2M0NzQ2NGQ3YmUwOGJmMTVjNzk0ZDgyODc5OGU0N2ViMmRlYTBkXzI1MDQ3M184NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDQubXB5cGwub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9hMy9hZS9hM2FlYzI5NjQ1YzU3YjZlZDIyZTIwY2Q0OGI2YTExODUwMDQ0NGU5XzIwMTA5NV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDUubXB1Ym4ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy8yYS82OS8yYTY5ZWMyOTFkMzgwMjA4NGIwZjAyNmM2MzFhN2UwNzU5ZjI5ZTQyXzI1MTY1Ml84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDQubXB2aW0ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9hOC9hMC9hOGEwZGJkMDY4YWU2YmI2M2IzYjA2MDY4MmU5YmVjNGI2YzJiMmNhXzI4MjA0NF84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDEubXB2aW0ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy85YS81Mi85YTUyODdmMmM1YjkxZjk3ZDRjMDUzZjZiOWMzYmQwODlkYWUxOTQ4XzI0MzM3N184NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDIubXBpenoub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9iNS8zNy9iNTM3MjFkNzdkM2Y5Njc3MjIzZDRlZGU2NDAyZTE0ZDZhZWFkNjI0XzI2NzMxOV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDgubXB2aW0ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy8zYy9mMC8zY2YwYzFjNThiZGM0MjBlZDQ4ZDgxZmFkZDU3M2NkNWE4MDJlODIzXzI0NDc3OF84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDEubXBmaXAub3JnL21lZGlhLzAwMDA0L2ltYWdlcy84Mi9lNS84MmU1NTJjZTEyZWUzODU1NWVjMjFlNWJmZTY0ZmIyZjkyMjg2OWQ4XzIzMTU5M184NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDUubXBybm0ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9kYS9iMi9kYWIyZWI4ZDBjNWZkNjBhN2E4NDRkNzk2NjFjNjQ1M2JjZDA4M2M5XzIyNzY1N184NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDUubXBybm0ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy8zNC80My8zNDQzNjhmY2FiYTY5OGRlMzY1ZTZlOWVlMTFlMTQ5MmVjNGFiNmM1XzI2OTE2MV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDgubXBtb2sub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9kZi9iNi9kZmI2NzNmNzA2YmU2YjA3OWFmNDIwM2Y0ZGEzOTMwMTlkNDU5ZDk3XzIwMDU5M184NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDIubXBxb20ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy85ZC9kNS85ZGQ1ODVhOWYxYzk5OThlYzFmNzc2YjY0Njc5Y2E1MWZhZmQ2ZWJkXzIxNzU1NV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMTAubXBxc2Mub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9lYy9jMy9lY2MzZTJjZTgyZjE3MmM2YzZkY2Y4NWQyZTg4ZDU0NThjMDU2NTI2XzI4NzE3OV8xNTAwXzEwNjYuanBn,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDUubXBpenoub3JnL21lZGlhLzAwMDA0L2ltYWdlcy84OC81Ni84ODU2MTIwYmE1MTU0ZDBmYzZhZDIxNzgyNGFiZjU2ZGU2MmNjMTQ0XzI2Mzk0NV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDYubXB2aW0ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy9hMi9kZS9hMmRlMTQyYzVjMzQ1ZTY5NWJjY2ZkYzU0Njc2ZjUwY2UzM2UxMGMxXzE5MDk4NV84NzBfMTIzNi5qcGc=,https://file.vduapp.com/imgs/aHR0cHM6Ly9zMDYubXB2aW0ub3JnL21lZGlhLzAwMDA0L2ltYWdlcy8xYS9mZS8xYWZlYmMyZmMzMTJjYWY0ZTk3ODUzYzBhODA2NTRhNTQwMWQ2MzRkXzE4OTA0Nl84NzBfMTIzNi5qcGc=