Mullineaux Corporation has a target capital structure of 70 percent common stock and 30 percent debt. Its cost of equity is 16 percent, and the cost of debt is 8 percent. The relevant tax rate is 30 percent. (a) What is Mullineaux’s WACC?
(b) The company president has approached you about Mullineaux’s Capital structures. He wants to know why the company doesn’t use more preferred stock financing, since it costs less than debt. What would you tell the president?

Jamie is saving for a trip to europe. she has an existing savings account that earns 3 percent annual interest and has a current balance of $4,200. jamie doesn’t want to use her current savings for vacation, so she decides to borrow the $1,600 she needs for travel expenses. she will repay the loan in exactly one year. the annual interest rate is 6 percent. a. if jamie were to withdraw the $1,600 from her savings account to finance the trip, how much interest would she forgo? .b. if jamie borrows the $1,600 how much will she pay in interest? c. how much does the trip cost her if she borrows rather than dip into her savings?