While a company's operating profit margin has held steady at 15%, its net profit margin has declined from 8% to 3%. What factors possibly account for this pattern?

While a company's operating profit margin has held steady at 15%, its net profit margin has declined from 8% to 3%. What factors possibly account for this pattern? 






A) Declining sales
B) Increased cost of goods sold
C) Increased capital spending
D) Increased taxes and interest costs






Answer: D