I have in image one an exercise and image 2 part of the solution for that exercise in blue. What I don't understand here is the table in blue. I don't understand what formulas or assumptions were used to find the values under "prices", "call payoff", "put payoff" and "total payoff"

Henry crouch's law office has traditionally ordered ink refills 7070 units at a time. the firm estimates that carrying cost is 4545% of the $1212 unit cost and that annual demand is about 245245 units per year. the assumptions of the basic eoq model are thought to apply. for what value of ordering cost would its action be optimal? a) for what value of ordering cost would its action be optimal? its action would be optimal given an ordering cost of $nothing per order (round your response to two decimal place

Anewspaper boy is trying to perfect his business in order to maximize the money he can save for a new car. daily paper sales are normally distributed, with a mean of 100 and standard deviation of 10. he sells papers for $0.50 and pays $0.30 for them. unsold papers are trashed with no salvage value. how many papers should he order each day and what % of the time will he experience a stockout? are there any drawbacks to the order size proposed and how could the boy address such issues?

(a) what was the opportunity cost of non-gm food for many buyers before 2008? (b) why did they prefer the alternative? (c) what was the opportunity cost in 2008? (d) why did it change?