At Eady Corporation, maintenance is a variable overhead cost that is based on machine-hours. The performance report for July showed that actual maintenance costs totaled $12,620 and that the associated rate variance was $410 unfavorable. If 6,600 machine-hours were actually worked during July, the standard maintenance cost per machine-hour was: Multiple Choice 0 $1.85 per MH 0 $2.04 per MH O $1.97 per MH 0 $1.91 per MH