The following information is available for a company's utility cost for operating its machines over the last four months. Month January February March April Machine hours 950 1,850 2,500 650 Utility cost $5,500 $7,000 $8,600 $3,420 Using the high-low method, the estimated total fixed cost for utilities is: Multiple Choice $1,550 $3,420 $6,050 $3,450 $1600