Hi, Please provide me with the answers to these problems within the hour. Thank you so much 1) A particular bond has 8 years to maturity. It has a...

Hi, Please provide me with the answers to these problems within the hour. Thank you so much

5) A company has 10 million shares outstanding trading for $7 per share. It also has $300 million in outstanding debt. If its equity cost of capital is 15%, and its debt cost of capital is 9%, and its effective corporate tax rate is 40%, what is its weighted average cost of capital? (Show workings)