MAINTENANCE COSTS $3,100 $3,000 $2,900 $2,800 $2,700 $2,600 $2,500 0 500 1000 1500 2000 MACHINE HOURS 1st Month 2nd Month 3rd Month 3. Calculate the mean absolute percentage error (MAPE) for the cost equation you developed in requirement 1. (Input your final answer as a percentage rounded to 1 decimal place (l.e., .054 = 5.4%).) Answer is complete but not entirely correct. Mean absolute percentage error (MAPE) 7.1 %