Black River Tours has a capital structure of 60 percent common stock, 5 percent preferred stock, and 35 percent debt. The dividend payout ratio is 30 percent, the company's beta is 1.21, and the tax rate is 21 percent. Given this, which one of the following statements is correct? a. The aftertax cost of debt will be greater than the current yield-to-maturity on the company's outstanding bonds.
b. The company's cost of preferred is most likely less than the company's actual cost of debt.
c. The cost of equity is unaffected by a change in the company's tax rate.
d. The cost of equity can only be estimated using the capital asset pricing model.
e. The weighted average cost of capital will remain constant as long as the company's capital structure remains constant.

An attorney came to work on a saturday. when he signed in, he was advised by the morning security guard employed by the building management that he must be out of the building by 5 p.m., when it closes. however, he stayed past 5 p.m. to complete a brief that had to be filed on monday morning. at 5: 15 p.m., the afternoon security guard set the locks on all the doors of the building and left. because she was in a hurry, she did not check the sign-in sheet to make sure that everyone had signed out, contrary to mandatory procedures. when the attorney tried to exit 15 minutes later, he discovered that the doors were all locked and could not be opened from the inside. he used his cell phone to call for , and a supervisor from the building arrived and let him out shortly thereafter. if the attorney sues the building management for false imprisonment, is he likely to win?