Please help me with all parts. Thank you.

Debt and financial risk Tower Interiors has made the forecast of sales shown in the following table. Sales S210,000 310,000 410,000 Probability 0.20 0.65 0.15 The firm has fixed operating costs of $75,600 and variable operating costs equal to 60% of the sales level. The company pays $12,600 in interest per period. The tax rate is 40% a. Compute the earnings before interest and taxes (EBIT) for each level of sales b. Compute the earnings per share (EPS) for each level of sales, the expected EPS, the standard deviation of the EPS, and the coefficient of variation of EPS, assuming that there are 11,600 shares of common stock outstanding c. Tower has the opportunity to reduce its leverage to zero and pay no interest. This will require that the number of shares outstanding be increased to 17,400. Repeat part (b) under this assumption d. Compare your findings in parts (b) and (c), and comment on the effect of the reduction of debt to zero on the firm's financial risk