The following table gives the marginal utility of John's consumption of three goods: A, B, and C. Units of Consumption MU of A MU of B MU of C 20 17 1 38 42 2 36 34 32 14 28 4. 28 10 28 24 6 28 20 3 10 a. Good A costs $4 per unit, good B costs $4, and good C costs $4. How many units of each should a consumer with $45 buy to maximize his or her utility? unit(s) of A. unit(s) of B. unit(s) of C. b. How will the answer change if the price of B rises to $5? unit(s) of A. unit(s) of B. unit(s) of C. c. How about if the price of C is $2 but the other prices are as in a? unit(s) of A. unit(s) of B. unit(s) of C.