How long will it take an RRSP to grow to $850,000 if it takes in month-end contribution of $1,500 and earns: (Do not round intermediate calculations. Round up the number of contributions to the next integer.) a. 5.5% compounded monthly? years, month(s) b. 7.5% compounded monthly? years, month(s) c. 7.3% compounded monthly? years, month(s) d. 8.3% compounded monthly? years, month(s)