January February March April Number of chains manufactured 32,500 39,000 28,600 37,400 Plant overhead January February March April Plant supervision wages $ 122,900 $ 122,900 $ 122,900 $ 122,900 Plant rent 70,200 70,200 70,200 70,200 Utilities (electricity/water) 58,500 64,400 52,900 65,000 Plant repairs & maintenance 45,500 49,900 44,600 50,500 CNC machine tool sharpening 9,750 11,700 8,580 11,220 CNC machine depreciation 48,800 48,800 48,800 48,800 Total plant overhead $ 355,650 $ 367,900 $ 347,980 $ 368,620 Classify each factory overhead costs as fixed, variable or mixed, using number of chains manufactured as the activity driver. Utilities (electricity/water). CNC machine depreciation. CNC machine tool 1. Fixed sharpening. 2. Variable Plant supervision wages. 3. Mixed Plant repairs & maintenance. Plant rent. Question 3 (3 points)