Kennedy Co. used 14559 machine-hours during January. The standard is 0.90 machine-hours to produce 1 unit, and Kennedy produced 14559 units during January. Budgeted variable manufacturing overhead cost per unit of output is $21.60. What is the variable overhead efficiency variance for Kennedy? Note that a negative number indicates an unfavourable variance.

Select one:

a. $-34942

b. $34942

c. $31447

d. $-31447