If John's Marginal Benefit Derived from the Consumption of Another

Multiple Choice

If John's marginal benefit derived from the consumption of another candy bar is greater than the price of the candy bar,

A) John will not purchase any more candy bars.
B) John will increase his total satisfaction by purchasing the candy bar.
C) the opportunity cost of the candy bar is lower than the price.
D) John will decrease his total utility if he purchases the candy bar.