Which of the Following Statements Is Incorrect

Which of the following statements is incorrect?

A) Companies where product costs represent a high percentage of total costs would be expected to have a low gross profit percentage.
B) A company's current financial ratio should be compared with the same financial ratio for 1) that company in prior years and/or 2) the ratio for the industry in which the company is affiliated.
C) Gross profit percentages do not vary a great deal among industries.
D) Profitability evaluation ratios are better at predicting income and solvency than are solvency determination ratios.