You currently are spending $80/year renting a pressure washer to clean your house. The cost of a new pressure washer is $240. If you bought the pressure washer, how many years would it take to obtain full payback on your original investment relative to renting (use a simple payback calculation). Note: Simple payback is a useful, but simplistic way to evaluate a purchasing decision that does not consider the time value of money. A quick payback Implies a better deal, while a slower payback is not as good. 3 years 4 years O 5 years 10 years