Evans Company Has Estimated the Following Amounts for Its Next

Evans Company has estimated the following amounts for its next fiscal year: If the company spends an additional $30,000 on advertising, sales volume would increase by 2,500 units. What effect will this decision have on the operating income of Evans?

A) Operating income will decrease by $62,500.
B) Operating income will increase by $7,500.
C) Operating income will increase by $70,000
D) Operating income will increase by $37,500.