Could you please help me figure these out?

Answer the following questions using the following information. Columns 1 and 2 in the table below show the marginal utility that Cody gets by purchasing products A and B. Column 3 shows the marginal utility Cody gets from saving. Assume that the price of A is $14, the price of B is $4, and Cody has an income of $129 a) Find the following series of MU/$ for each column. Note: Keep as much precision as possible during your calculations. Your final answer should be accurate to at least two decimal places. Column 1 Column 2 Column 3 Units of A MU MU/$ Units of B MU MU/$ Number of $ saved MU MU/$ 72 0 47 0 0 66 38 O O W N - W N oo 58 28 0 52 18 - - - - WON 00 - OUT A W N - OO 43 0 13 33 0 8 27 00 21 O b) What quantities of A and B will Cody purchase in maximizing his utility? Quantity of A: 0 Quantity of B: 0 c) How many dollars will Cody save? Dollars Saved = $0