Suppose a retail store was offering 10% off list prices on all goods. The benefit of the 10% savings is:
A.negatively related to the list price of the good.
B.zero since costs and benefits shouldn’t be measured proportionally.
C.unrelated to the list price of the good.
D.positively related to the list price of the good.
正确答案:positively related to the list price of the good.