Cant Find A-C When firm has assumed tax rate of 21%?

Ghost, Inc., has no debt outstanding and a total market value of $332,100. Earnings before interest and taxes, EBIT, are projected to be $48,000 if economic conditions are normal. If there is strong expansion in the economy, then EBIT will be 18 percent higher. If there is a recession, then EBIT will be 29 percent lower. The company is considering a $170,000 debt issue with an interest rate of 7 percent. The proceeds will be used to repurchase shares of stock. There are currently 8,100 shares outstanding. Ignore taxes for questions a and b. Assume the company has a market-to-book ratio of 1.0 and the stock price remains constant