1. Suppose Shevek's utility for books (B) and magazines (M) can be represented as U = B*M. ~ a) Draw the indifference curve that yields a utility level of 18. ~ b) Calculate the MUB, MUM, and MRS of B for M on that indifference curve when B = 3.~ They have $60 per month for books and magazines. Books cost $10 each and magazines cost $5 each. How many books and magazines would they buy in a month?~