The standard hours to produce 10,000 units is 6,000 hours with a standard rate of $9 per hour. The company actually incurred labor hours of 6,300 and incurred an unfavorable direct labor price variance of $3,150. What was the actual rate of pay for direct labor?

A)$8.50 per direct labor hour B)$7.50 per direct labor hour C)$9.50 per direct labor hour D)$9.00 per direct labor hour

*please show work