The following costs appear in Malgorzata Company's flexible budget at an activity level of 15,000 machine-hours: Indirect materials: $8,600 Factory rent: $20,200 What would be the flexible budget amounts at an activity level of 12,000 machine hours if indirect material is a variable cost and factory rent a fixed cost? Indirect materials A) $8,600 B) $8,600 C) $6,240 D) $6,880 Factory rent $10,000 $20,200 $14,400 $20,200