问题
单项选择题
An argument against using the price-to-sales (P/S) valuation approach is that:（）
A. sales figures are not as easy to manipulate or distort as earnings per share (EPS) and book value.
B. P/S ratios do not express differences in cost structures across companies.
C. P/S ratios are not as volatile as price-to-earnings (P/E) multiples.
答案
参考答案：B
解析：
P/S ratios do not express differences in cost structures across companies. The other responses are advantages of the P/S ratios, not disadvantages.
