Use the following information about Ackerman to answer the question below.
Average selling price per unit = $321
Variable cost per unit = $186
Units sold = 480
Fixed costs = $8963
Interest expense = 16150
Based on the figures above, what is the percentage change in earnings per share of Ackerman if the company expects the operating profit to change by -3.5 percent?
(Calculate the degree of financial leverage first.)