please explain answer

Use the following information about Rat Race Home Security, Inc to answer the questions: Average selling price per unit $328 Variable cost per unit $186 Units sold 441 Fixed costs $7.986 Interest expense 15,921 Based on the data above, what will be the resulting percentage change in camins per share of Rat Race Home Security Inc. they expect operating profit to change 5.7 percent (You should calculate the degree of financial leverage first). (Trite the percentage on the box