Completely lost, please provide explanation:

Q Corporation and R Inc. are two companies with very similar characteristics. The only difference between the two companies is that Q Corp. is an unlevered firm, and R Inc. is a levered firm with debt of $5 million and cost of debt of 10%. Both companies have earnings before interest and taxes (EBIT) of $2 million and a marginal corporate tax

rate of 40%. Q Corp. has a cost of capital of 15%.

1. What's Q's cost of equity capital?
2. What's R's cost of equity capital?
3. What is Q's WACC?
4. What is R'sWACC?
5. Compare the WACC of the two companies. What do you conclude
6. Both companies are now evaluating a project that requires an initial investment of $1.15 million and that will yield cash inflows of $500,000 per year for the next three years. Assume that this project has the same risk level as the individual firm's assets. Should Q invest in this project? Should R invest in this project?