Suppose the Lehigh Bookstore is a monopoly in selling the textbook Microeconomics All the Answers at Lehigh. The demand that the bookstore faces is p = 1000−Q. The bookstore’s total cost curve is C(Q) = 10 + 5Q. a. What is the bookstore’s profit-maximizing quantity of textbooks and their price? What is the bookstore’s level of profit? b. How do your answers change if C = 100 + 5Q? c. Suppose the bookstore has original costs, C(Q) = 10 + 5Q. What is the bookstore’s profit-maximizing quantity and price if the market inverse demand curve shifts to p = 28.75− 1 4 Q? Is the bookstore as profitable as they were in part a?

In 2018, laureen is currently single. she paid $2,800 of qualified tuition and related expenses for each of her twin daughters sheri and meri to attend state university as freshmen ($2,800 each for a total of $5,600). sheri and meri qualify as laureen’s dependents. laureen also paid $1,900 for her son ryan’s (also laureen’s dependent) tuition and related expenses to attend his junior year at state university. finally, laureen paid $1,200 for herself to attend seminars at a community college to her improve her job skills.what is the maximum amount of education credits laureen can claim for these expenditures in each of the following alternative scenarios? a. laureen's agi is $45,000.b. laureen’s agi is $95,000.c. laureen’s agi is $45,000 and laureen paid $12,000 (not $1,900) for ryan to attend graduate school (i.e, his fifth year, not his junior year).