Pinecrest Corporation has a target capital structure of 65 p…

Pinecrest Corporation has a target capital structure of 65 percent common stock, 10 percent preferred stock, and 25 percent debt. Its cost of equity is 12.5 percent, the cost of preferred stock is 6.4 percent, and the pretax cost of debt is 6.8 percent. The relevant tax rate is 21 percent.a) What is the company’s weighted average cost of capital (WACC)?b) The company president asks why the firm does not use more preferred stock financing because it costs less than debt. What would you tell the president?

An ultrasonic wave is sent into a patient and reflected back…

An ultrasonic wave is sent into a patient and reflected back to the source by the moving wall of the heart. The wall of the heart is moving at 0.10 m/s straight away from the source. The original frequency is 308,000 Hz, and the speed of ultrasound in tissue is 1540 m/s. DF 5.1.jpg