Robb Industries Inc. (RII) developed standard costs for direct material and direct labor. In 2004,RII estimated the following standard costs for one of their major products, the 10-gallon plastic container.

Budgeted quantityBudgeted price

Directmaterials0.10pounds$30 per pound

Direct labor0.05hours$15 per hour

During June RII produced and sold 5,000 containers using 490 pounds of direct materials at an average cost per pound of $32 and 250 direct manufacturing labor-hours at an average wageof $15.25 per hour.

June's direct manufacturing labor efficiency variance is

A. $62.50 unfavorable

B. $62.50 favorable

C. $3,811.75 unfavorable

D. none of the above