At Eady Corporation, maintenance is a variable overhead cost that is based on machine-hours. The performance repont for July showed that actual maintenance costs totaled $11,840 and that the associated rate variance was $370 unfavorable. If 6,200 machine-hours were actually worked during July, the standard maintenance cost per machine- hour was: Multiple Choice $1.97 per MH $2.03 per MH O $1.85 per MH $1.91 per MH