thumbs up guarenteed for full out answer e Green Thumb Lawncare provides lawn care services with a small crew of 4 employees, and they use three lawn mowers. Recently, during an 8-hour work shift, they cut grass of 51 acres. a. What is productivity per labor-hour? Answer should include units and should be expressed in a sentence. Show all calculations. b. What is productivity per lawn mower? Answer should include units and should be expressed in a sentence. Show all calculations.