The standard costs and actual costs for direct materials, direct labor, and factory overhead for the manufacture of 2,500 units of product are as follows: Direct labor standard cost 7500 hours @ 12 Direct labor actual costs 7400 hours @ 11.40 The amount of the direct labor time variance is a. $1,200 favorable b. $1,140 unfavorable c. $1,200 unfavorable d. $1,140 favorable