问题
单项选择题
If the cost of goods sold increases and inventory decreases, the number of days of inventory most likely:（）
A. decreases.
B. remains unchanged.
C. increases.
答案
参考答案：A
解析：
存货周转天数(number of days of inventory)=365/[COGS/存货(inventory)]，所以COGS增加而存货减少，会导致存货周转天数减少。