A favorable direct labor efficiency variance and an unfavorable direct labor rate variance might indicate which of the following?

A. Skilled workers using less actual hours than standard, paid at a higher rate per hour than the standard rate

B. Unskilled workers using more actual hours than standard, paid at a higher rate per hour than the standard rate

C. Skilled workers using more actual hours than standard, paid at a higher rate per hour than the standard rate

D. Unskilled workers using less actual hours than standard, paid a lesser rate per hour than the standard rate