Support your answer by measuring growth in sales and

Question

The following income statements were drawn from the annual reports of Harper Sales Company.

The president's message in the company's annual report stated that the company had implemented a strategy to increase market share by spending more on advertising. The president indicated that prices held steady and sales grew as expected. Write a memo indicating whether you agree with the president's statements. How has the strategy affected profitability? 

Support your answer by measuring growth in sales and selling expenses. Also prepare common size income statements and make appropriate references to the differences between 2014 and 2015.