1. Boris Corporation is financed with 0.14 percent debt and the rest equity. It has a leveraged beta of 0.9 and is subject to a 0.4 corporate tax rate. What is Boris's unleveraged beta?

2. The current value of a firm is 31,900 and it is 100% equity financed. The firm is considering restructuring so that it is 60% debt financed. If the firm's corporate tax rate is 0.2, what will be the new value of the firm under the MM theory without taxes, transactions costs, or the possibility of bankruptcy?

3. The current value of a firm is 392,800 dollars and it is 100% equity financed. The firm is considering restructuring so that it is 90% debt financed. If the firm's corporate tax rate is 0.3, what will be the new value of the firm under the MM theory with corporate taxes but no possibility of bankruptcy.