The following table shows William's utility from consuming slices of pizza and cans of Coke.Slices of Pizza Total Utility from Pizza Marginal Utility from Last Slice Cans of Coke Total Utility from Coke Marginal Utility from Last Can0 0 - 0 - -1 36 36 1 30 302 66 30 2 55 253 90 24 3 75 204 108 18 4 90 155 120 12 5 100 106 126 6 6 105 5Suppose William has $13.20 per week to spend on pizza and Coke. The price of a slice of pizza is $1.80 and the price of a can of Coke is $2.00.If William wants to maximize his utility, he should buy _ slice(s) of pizza and _ can(s) of Coke.