Answer:
D. Dad says her cost is $31,000 and Mom says her cost is $47,600.
Step-by-step explanation:
As an accountant her dad adds up the price of the ingredients and the rent for a total cost of $31,000. On the other hand her mom, as an economist, adds additionally the cost of leaving the pizzeria ($15,000) and the cost of withdrawing the inheritance which is the interest she would have been paid (8% x $20,000), giving her a total cost of $47,600.