Wacc and optimal capital structure f. pierce products inc. is considering changing its capital structure. f. pierce currently has no debt and no preferred stock, but it would like to add some debt to take advantage of low interest rates and the tax shield. its investment banker has indicated that the pre-tax cost of debt under various possible capital structures would be as follows:

Required: 1-a. the marketing manager argues that a $5,000 increase in the monthly advertising budget would increase monthly sales by $9,000. calculate the increase or decrease in net operating income. 1-b. should the advertising budget be increased ? yes no hintsreferencesebook & resources hint #1 check my work 8.value: 1.00 pointsrequired information 2-a. refer to the original data. management is considering using higher-quality components that would increase the variable expense by $2 per unit. the marketing manager believes that the higher-quality product would increase sales by 10% per month. calculate the change in total contribution margin. 2-b. should the higher-quality components be used? yes no