Consider the following information: Month Jan Feb March April May June July August September October November December Number of Repairs Cost 2,000 $ 84,000 1,600 $ 73,000 1,400 $ 66,000 800 $ 52,000 2,400 $ 90,800 1,700 $ 76,100 1,250 $ 63,850 900 $ 42,000 2,800 $ 102,000 1,950 $ 82,000 1,650 $ 76,000 1,200 $ 63,000 Estimate costs at 1,700 units $69,500 $74,500 $75,750 $76,100