THUWIHY 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 , $8,600 $3,420 Using the high-low method, the estimated total fixed cost for utilities is: O O $1,550. O O $1,600. O O $6,050. O $3,420. O O $3,450