i am having a really hard time with this question

Demand Probability 65 0.15 70 0.25 75 0.25 80 0.10 85 0.25 unsold copies can be returned to the publisher, less a restocking fee and shipping, for a net refund of $40. table for the bookstore is: Stock 65 65 p=0.15 $1,950 $1,825 70 p=0.25 $1,950 $2,100 Demand 75 p=0.25 $1,950 $2,100 80 p=0.10 $1,950 $2,100 85 p=0.25 $1,950 $2,100 70 75 The University of Miami bookstore stocks textbooks in preparation for sales each semester. It normally relies on departmental forecasts operations management students enrolled, but bookstore manager Vaidy Jayaraman has second thoughts, based on his intuition and son to the following probability model: Demand 65 70 75 Probability 0.15 0.25 0.25 This textbook costs the bookstore $65 and sells for $95. Any unsold copies can be returned to the publisher, less a restocking fee and shi a) Based on the given information, Vaidy's conditional profits table for the bookstore is: Demand 65 70 75 Stock p=0.15 p=0.25 p=0.25 65 $1,950 $1,950 $1,950 70 $1,825 $2,100 $2,100 75