(Table: Exercise and Utility) Look at the Table Exercise and Total

Essay

(Table: Exercise and Utility) Look at the table Exercise and Total Utility.The table shows Marta's total utility from hours of exercise at the gym.Given this information, what can be said about Marta's marginal utility from exercise?
A.Marginal utility initially decreases but eventually increases as more exercise is consumed.
B.Marginal utility always decreases as more exercise is consumed.
C.Marginal utility initially increases but eventually decreases as more exercise is consumed.
D.Marginal utility initially increases but eventually stays constant as more exercise is consumed.