An Increase in the Gross Profit Percentage Indicates That

An increase in the gross profit percentage indicates that:

A) cost of goods sold as a percentage of sales has decreased.
B) cost of goods sold as a percentage of sales has increased.
C) operating expenses as a percentage of sales have increased.
D) operating expenses as a percentage of sales have decreaseD.Gross profit percentage = Gross profit/net sales.If the gross profit % increases,it means that cost of goods sold has decreased as a % of sales.