a. Use the contribution margin approach to compute the operating leverage for each firm. b. If the economy expands in coming years, Larson and Benson will both enjoy a 10 percent per year increase in sales, assuming that the selling price remains unchanged. Compute the change in net income for each firm in dollar amount and in percentage. (Note: Since the number of units increases, both revenue and varlable cost will increase.) c. If the economy contracts in coming years, Larson and Benson will both suffer a 10 percent decrease in sales volume, assuming that the selling price remains unchanged. Compute the change in net income for each firm in dollar amount and in percentage. (Note: Since the number of units decreases, both total revenue and total variable cost will decrease.) Complete this question by entering your answers in the tabs below. If the economy contracts in coming years, Larson and Benson will both suffer a 10 percent decrease in sales volume, assuming that the selling price remains unchanged. Compute the change in net income for each firm in dollar amount and in percentage. (Note: Since the number of units decreases, both total revenue and total variable cost will decrease.) (Negative amount should be indicated by a minus sign.) a. Use the contribution margin approach to compute the operating leverage for each firm. b. If the economy expands in coming years, Larson and Benson will both enjoy a 10 percent per year increase in sales, assuming that the selling price remains unchanged. Compute the change in net income for each firm in dollar amount and in percentage. (Note: Since the number of units increases, both revenue and varlable cost will increase.) c. If the economy contracts in coming years, Larson and Benson will both suffer a 10 percent decrease in sales volume, assuming that the selling price remains unchanged. Compute the change in net income for each firm in dollar amount and in percentage. (Note: Since the number of units decreases, both total revenue and total variable cost will decrease.) Complete this question by entering your answers in the tabs below. If the economy contracts in coming years, Larson and Benson will both suffer a 10 percent decrease in sales volume, assuming that the selling price remains unchanged. Compute the change in net income for each firm in dollar amount and in percentage. (Note: Since the number of units decreases, both total revenue and total variable cost will decrease.) (Negative amount should be indicated by a minus sign.)