The following information is available for a company's utility cost for operating its machines over the last four months. Month January February March Machine hours 1,030 1,930 2,660 730 Utility cost $5,580 $7,160 $9,400 $3,610 April Using the high-low method, the estimated total fixed cost for utilities is: Multiple Choice a $1.630 ! o earch Multiple Choice O $1,630. 56,130 $1.420 O $3.690 $3.690