Continuing Ultimate U-Bolts Above. Which Is True

Multiple Choice

Continuing Ultimate U-bolts above. Which is true?

A) The workers were efficient because UU saved $825 overall
B) The workers were efficient because they used 210 fewer hours than allowed
C) The direct labor efficiency variance is $3,780 U
D) The direct labor efficiency variance cannot be calculated from the information provided
E) None of the above