The following costs appear in Bobblehead's Company's flexible budget at an activity level of 12,000 machine-hours: Total Cost Indirect materials. Factory rent. $7,800 $18,000 What would be the flexible budget amouts n activity level of 9,600 machine-hours if indirect materials is a variable cost and factory rent is a fixed cost? Indirect Materials $7,800 $9,750 $6,240 $6,240 $7,020 Factory Rent $14,400 $18,000 $14,400 $18,000 $20,000 A. E