16 Save A Muffler Incorporated produces floor mats for cars and trucks. The owner, Kenneth Mufler, asked you to assist him in estimating his maintenance costs. Together, Mr. Muffler and you determined that the single best cost driver for maintenance costs was machine hours. Below are data from the previous fiscal year for maintenance expense and machine hours Month Maintenance Expense Machine Hours 1 $3,300 2,320 2 3,550 2,420 3,730 2,520 4 3,000 2,550 5 3,800 2,400 B 4,160 2.570 7 3,850 2,540 3,000 2.510 9 3,300 2,330 10 3,000 2,200 11 2.000 1,810 12 3,120 2.190 Using the high-low method, unit variable cost is calculated to be O $1.66 $1.77 O $2.05. $1.60 $1.82 Muffler Incorporated produces floor mats for cars and trucks. The owner, Kenneth Muffer, asked you to assist him in estimating his maintenance costs. Together, Mr. Muffer and you determined that the single best co driver for maintenance costs was machine hours. Below are data from the previous fiscal year for maintenance expense and machine hours: Month Maintenance Expense Machine Hours 1 $3,360 2,320 2 3,550 2,420 3 3,730 2,520 4 3,860 2,550 5 3,860 2,400 6 4,160 2,570 7 3,850 2,540 8 3,660 2.510 9 3,380 2,330 10 3,000 2,200 11 2,900 1,810 12 3,120 2,190 Using the high-low method, unit variable cost is calculated to be