The Hendersons have just bought a home that requires some monthly yard maintenance. They are trying to decide if they should hire a professional lawn care service to maintain the property or do it themselves. Below are the costs associated with both options: Professional Service Option Do-It-Yourself Option $75 for the first month $250 lawnmower $45 per month after initial visit $135 edger Includes mowing and edging the lawn, trimming the bushes, and raking the leaves. $69 hedge trimmer $25 rake How long would it take before the Hendersons would recover their costs if they chose to do it themselves over the professional service