In 2012,C Co's Gross Profit Ratio Was 70

In 2012,C Co's gross profit ratio was 70.4% and their profit margin was 18.8%.In 2012,P Co's gross profit ratio was 58.3% and their profit margin was 8.9%.Which of the following is false?

A) C Co's cost of goods sold was a lower percentage of sales than P Co's.
B) In 2012,C Co's profit margin was 111.2% greater than P Co's which would contribute to a higher return on total investment.
C) The major reason for P Co's lower profit margin is that their selling,general and administrative expenses were double the percentage of sales compared to C Co's percentage.
D) C Co looks to be a better investment than P Co.