Saved Columns 1 through 4 in the accompanying table show the marginal utility, measured in utils, that Ricardo would get by purchasing various amounts of products A, B, C, and D. Column 5 shOWS the marginal utility Ricardo gets from saving. Assume that the price of 900d A 15 $18. the price of good B is $6. the price of good C is $4, and the price of good D is $24. Ricardo's income is $106. Number of Dollars Saved s1 --- 1 2 3 4 Instructions: Enter your answers as whole numbers. a. What quantities of A, B, C, and D will Ricardo purchase In maximizing his utility