Stella receives 50 utils from her first sandwich, 25 utils from her second sandwich, and 13 utils from her third sandwich. Stella's marginal utility from her second sandwich is: A. 88 B. 25 C. 38 D. 13 E. Marginal utility cannot be determined from the information given.

Paul is buying CDs. He receives 96 utils from his first CD, 48 utils from his second CD, and 21 utils from his third CD. (Round your answers to the nearestinteger.) Paul's marginal utility from his third CD is? ____ Paul's total utility from consuming three CDs is? ____

Which of the following statements best explains how utility usually changes with the quantity of a goodconsumed?

A. As the quantity consumedincreases, total utility and marginal utility increase.

B. As the quantity consumedincreases, total utility decreases but marginal utility increases.

C. As the quantity consumedincreases, total utility increases and marginal utility increases at a decreasing rate.

D. As the quantity consumedincreases, total utility and marginal utility decrease.

E. As the quantity consumedincreases, total utility increases but marginal utility decreases.