John would like to buy an RV to fulfill his dream of traveling across the country and camping at every national park. a. He knows that the RV will cost him $140,000. How many years will it take him to save the money if he saves $3,000 per year with an interest rate of 6% compounded annually? Assume he puts the first $3,000 in the bank at the end of the first year. Answer = 22.911 years (If possible, use the F given A formula or the A given F formula)