4. 7 points) Hank made payments of $300 per month at the end of each month...

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4. 7 points) Hank made payments of $300 per month at the end of each month for 20 years to purchase a piece of property. He promptly sold it for $215,000. What annual interest rate would he need to earn on an ordinary annuity for a comparable rate of return? Round to the nearest hundredth of a percent. (You will probably need to make a graph to solve your equation.) 4. 7 points) Hank made payments of $300 per month at the end of each month for 20 years to purchase a piece of property. He promptly sold it for $215,000. What annual interest rate would he need to earn on an ordinary annuity for a comparable rate of return? Round to the nearest hundredth of a percent. (You will probably need to make a graph to solve your equation.)