In parts “a” and “d”, clearly label the calculation of the required ratios and solve using Excel. Use formulas to calculate the ratios and format the cells to insert a comma if there is more than three numbers. Round to the nearest whole number (please show this step as well). In parts “b” and “c”, justify your answer in a crisp statement not to exceed 50 words each.You have finally saved $10,000 and are ready to make your first investment. You have the three following alternatives for investing that money:•A CBS bond with a par value of $1,000, an interest rate of 7.625%, and a maturity of 10 years. The bond is selling for $986.•Alabama Power Co. preferred stock with a $50 par value and a dividend of $2.8125 per year. The stock is currently trading at $39 per share.•Emerson Electric common stock that is selling for $80 with a par value of $5. This stock recently paid a $2.10 dividend, and the firm’s earnings per share have increased from $2.40 to $4.48 in the past 5 years. An equivalent amount of growth in the dividend is expected.Your required rates of return for these investments are 6% for the bond, 7% for the preferred stock, and 15% for the common stock. Using this information, answer the following questions.a.Calculate the value of each investment based on your required rate of return.b.Which investment would you select? Why?c.Assume Emerson Electric’s managers expect an earnings downturn and a resulting decrease in growth of 3%. How does this affect your answers to parts 1 and 2?d.What required rates of return would make you indifferent to all three options?