Ladders, Inc. has a net profit margin of 5.6% on sales of $51.3 million. It has book value of equity of $38.3 million and total book liabilities of $28.9 million. What is Ladders' ROE? ROA? Note: Assume the value of Interest Expense is equal to zero. What is Ladders' ROE? Ladders' ROE is%. (Round to two decimal places.) You are planning to invest $8,000 in an account earning 8% per year for retirement. a. If you put the $8,000 in an account at age 23, and withdraw it 31 years later, how much will you have? b. If you wait 10 years before making the deposit, so that it stays in the account for only 21 years, how much will you have at the end? a. If you put the $8,000 in an account at age 23, and withdraw it 31 years later, how much will you have? In 31 years you would have $ (Round to the nearest cent.)