Holiday Foods is famous for its frosted fruit cake. The main ingredient of the cake is driedfruit, which Holiday purchases by the pound. Inaddition, the production requires a certain amount of direct labor. Holiday uses a standard costsystem, and at the end of the firstquarter, there was a favorable direct labor efficiency variance. Which of the following is a logical explanation for thatvariance?

A.

The factory lost two experienced workers at the beginning of thequarter, and their replacements wasted a large amount of direct materials during their training period.

B.

The purchasing manager was able to secure a volume discount on driedfruit, purchasing the fruit for less than the amount set by standard.

C.

The production staff changed the work flow process so that production required fewer direct labor hours.

D.

The cost ofworkers' medical insurance plans jumped up dramatically during the quarter.