The following information describes a company's usage of direct labor in a recent period. The direct labor efficiency variance is:

Actual hours used 45,000
Actual rate per hour $15.00
Standard rate per hour $14.50
Standard hours for units produced 47,000

a. $29,000 unfavorable.
b. $29,000 favorable.
c. $22,500 unfavorable.
d. $52,500 favorable.
e. $52,500 unfavorable.