Please give me the equations used on each of these steps as well. Thanks

Determine the nominal interest rate (i.e. what you observe in the market) based on the following assumptions: Real Rate of interest = 1.5% Inflation Premium = 1.7% Risk Free Rate = 3.2% Default Risk Premium = 1.2% Liquidity Premium = 0.5% Maturity Risk Premium = 1.1% a) 2.8% b) 6.0% C) 4.4% d) 9.2% e) None of the above What are the three sections of the statement of cash flows? a) Investing activities, financing activities and marketing activities b) Operating activities, planning activities and selling activities c) Financing activities, operating activities and investing activities d) Management activities, cash activities and bond activities What is the common size ratio for cost of goods sold (COGS) assuming the following: Sales $555,999 A. 39.5 COGS $395,055 B. 41.2 Net Income $55,412 C. 71.05 D. 83.02 E. 395.06 Which one of the following actions will increase the current ratio (current assets / current liabilities), all else constant? Assume the current ratio is greater than 1.0. A. Cash purchase of inventory B. Cash payment on an account receivable C. Cash payment of an account payable D. Credit sale of inventory at cost E. Cash sale of inventory at a loss What is the weighted average cost of capital for a firm with a debt to equity ratio of 1.0 if their bonds yield 8.5%, the stock has a required rate of return of 14.5% and the marginal tax rate for the firm is 40%? 12.8% 11.5% 9.8% 8.8%