The controller of Cullumber Production has collected the following monthly expense data for analyzing the cost behavior of electricity costs. 340 January February March April May June July August September October November December Total Total Electricity Costs Machine Hours $2,480 210 2,900 3,520 4.780 3,220 5,000 4,090 3,810 5,110 4.270 3,320 5,840 Determine the fixed- and variable-cost components using the high-low method. Fixed-costs Variable-costs $