ttakeAssignmentMain.do?inprogress=true d) Calculator Print Item Maxwell Company makes treadmills. The company controller wants to calculate the fixed and variable costs associated with the janitorial costs incurred in the factory. Data for the past four months were collected. Janitorial costs Machine hours October November December $11,000 11,400 10,200 10,725 610 510 550 What would Maxwell Company's estimate of total janitorial cost be at a level of 600 machine hours? Oa. $7,500 Ob. $4,080 Oc. $11,280 od, $6,120