问题如下：
3. Which of the following statements regarding the inflation scenarios in Exhibit 2 is most accurate?
选项：
A.Scenario 1 would lead to an increase in gross profit but a decrease in gross margin.
B.Both scenarios would lead to an unchanged gross margin.
C.Only scenario 2 would leave gross profit unchanged.
解释：
3 ． A
情景1中COGS为什么不是直接乘以（1+5%）
