Josh is eating pizza at his favorite Italian restaurant. Below is his utility from this consumption: Table 19.1 Slice of Pizza Total Utility Marginal Utility First slice 20 20 Second slice 39 19 Third slice - 15 Fourth slice 59 - Refer to Table 19.1. For Josh, diminishing marginal utility begins Group of answer choices After the second slice of pizza. To increase after the first slice of pizza. After the first slice of pizza. After the third slice of pizza