please solve this problem without using Excel and show all steps.

5. jane Inc. currently has 50 million shares outstanding with price 20, and 500 million in debt, paying 5% interest. Earnings after interest are 100000000. It is considering a project that requires a 100 million investment and will increase earnings by 11 million. Before starting the project, the equity beta is 1.1 and the debt beta is 0.1. Assume the debt beta does not change. Calculate the revised equity beta (a) if the project is financed with equity (b) if the project is financed with debt