Delmar Inc. uses a standard cost system. Labor standards are 2.1 hours per widget at $9.20 per hour. During August, Delmar Inc. paid its workers $153,860 for 16,500 hours. Delmar Inc. produced 8,600 widgets during August a. Calculate the direct labor rate variance. (Do not round your intermedlate calculations. Indicate the effect of variance by selecting "Favorable", "Unfavorable", or "None for no effect (i.e., zero variance).) ate Variance b. Calculate the direct labor efficiency variance. (Indicate the effect of variance by selecting Favorable", "Unfavorable", or None" for no effect (i.e., zero variance).) Efficiency Variance