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 $11,340 and that the associated rate variance was $360 unfavorable. If 6,100 machine-hours were actually worked during July, the standard maintenance cost per machine-hour was:

A. $1.86 per MH

B. $1.92 per MH

C. $1.80 per MH

D. $1.98 per MH