A company's two divisions performed with remarkable consistency over the past three years: in each of those years, the pharmaceuticals division has accounted for roughly 20 percent of dollar sales and 40 percent of profits, and the chemicals division for the balance.

Which of the following can properly be inferred regarding the past three years from the statement above?

• ATotal dollar sales for each of the company's divisions have remained roughly constant.  
• BThe pharmaceuticals division has faced stiffer competition in its markets than has the chemicals division.  
• CThe chemicals division has realized lower profits per dollar of sales than has the pharmaceuticals division.  
• DThe product mix offered by each of the company's divisions has remained unchanged.  
• EHighly profitable products accounted for a higher percentage of the chemicals division's sales than those of the pharmaceuticals division's.