5. How long would it take for you to save an adequate amount for retirement if you deposit $12,000 per year into an account at the end of each year that pays 10% interest rate per year if you wish to have a total of $1,000,000 at retirement? A. 18 years B. 21 years C. 24 years D. None of the above; the correct answer is 5. How long would it take for you to save an adequate amount for retirement if you deposit $12,000 per year into an account at the end of each year that pays 10% interest rate per year if you wish to have a total of $1,000,000 at retirement? A. 18 years B. 21 years C. 24 years D. None of the above; the correct answer is