Exxon has the following capital structure: the firm issued 6 million shares of common stock with the stock price in c), the firm also issued 1.5 million shares of preferred stock with $4.5 preferred dividend per share, currently, Exxon has $25 millions in debts with interest rate as 6.5%. Suppose the current preferred stock price is $6 per share and the current common stock price is as in question (c), and the corporate tax rate is 25%. What is the (after-tax) weighted average cost of capital for Exxon

Quick computing currently sells 12 million computer chips each year at a price of $19 per chip. it is about to introduce a new chip, and it forecasts annual sales of 22 million of these improved chips at a price of $24 each. however, demand for the old chip will decrease, and sales of the old chip are expected to fall to 6 million per year. the old chips cost $10 each to manufacture, and the new ones will cost $14 each. what is the proper cash flow to use to evaluate the present value of the introduction of the new chip? (enter your answer in millions.)