The controller of Wildhorse Production has collected the following monthly cost data for analyzing the behavior of electricity costs. January February March April May June July August September October November December (a) Total Total Electricity Costs Machine Hours 4 $2,220 Total fixed costs 3,080 3,530 4,760 3,220 4,920 4,100 3,830 5,000 4,310 3,300 7,530 $ 220 d 330 460 690 440 790 650 590 660 635 Determine the fixed costs and unit variable costs using the high-low method. determine the total fixed costs snd variable cost per machine hour. 330 810

The contralier of Widtharse Production has collocted the following manthly cout data for andlyzing the behavior of electricity costs. (a) Determine the frext costs ar if unit variable costs ining the hivhtow method Fotalfised costs 5