7) 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 $8,650 and that the associated rate variance was $250 unfavorable. If 5,000 machine-hours were actually worked during July, the standard maintenance cost per machine-hour was: A) $1.78 per MH 7) B) $1.73 per MH C) $1.68 per MH D) $1.83 per MH D) $6.50 per yard 6) Krizun Industries makes heavy construction equipment. The standard for a particular crane calls for 20 direct labor-hours at $24 per direct labor-hour. During a recent period 875 cranes were made. The labor efficiency variance was $1,200 Unfavorable. How many actual direct labor-hours were worked? A) 17,450 direct labor-hours C) 17,550 direct labor-hours W B) 17,500 direct labor-hours D) 17,600 direct labor-hours