Solve not in excel and provide all the formulas

You have been asked to evaluate the quality of investments at an some inc., a firm that open 2 business books and pens. You have been provided the following information of the businesses:

	Market value of assets	Unlevered beta of business
books	100 000 000$	1.30
pens	100 000 000$	0.70
	200 000 000$

A firm has 100 million shares, trading at $10 a share and faces a marginal tax rate of 31% . Company`s bonds have an A rating and a dedefault spread ( over risk free rate) of 4%. The risk rate is 6% and the equity risk premium is 9%.

1) Market value of equity and market value of debt

2) Unlevered beta for the total firm ( can be found as a weighted average) and unlevered/levered beta for the firm

3) Cost of equity and debt

4) Cost of capital ( WACC)