Answer:
So let’s calculate services produced in one day due to different scenarios.
Scenario 1: 40 lawns mowed; 0 washed cars
Scenario 2: 0 lawns mowed, 40 washed cars
Scenario3: 20 lawns mowed; 20 washed cars
Scenario 4: 25 lawns mowed; 25 washed cars
So Scenario 3 is inefficient. More washed cars and mowed lawns can be
produced by simply reallocating the time of the three individuals.
Step-by-step explanation:
See graph in the attached file.