Builtrite's upper management has been comparing their books to industry standards and came up with the following question: Why is our gross profit margin lower than the industry standard and our operating profit margin higher than the industry standard? which imof the following is correct:

a. Builtrite has lower than average operating expenses

b. Builtrite has higher than average operating expenses

c. Builtrite has lower han average interest expense

d. Builtrite has higher than average interest expense