5) Answer the question on the basis of the following marginal utility data for products X 5) and Y. Assume that the prices of X and Y are $4 and $2 respectively and that the consumer's income is $18. Units Marginal Units Marginal of X Utility, X of Y Utility, Y 20 16 16 14 12 12 O U AWN- DAWN- 8 10 6 8 6 Refer to the data. What level of total utility will the utility-maximizing consumer realize A) 142 utils. By 108 utils. C) 96 utils. D) 72 utils