Direct Labor Variances

Tip Top Corp. produces a product that requires 3 standard hours per unit at a standard hourly rate of $16 per hour. If 2,500 units required 7,700 hours at an hourly rate of $15.36 per hour, what is the direct labor (a) rate variance, (b) time variance, and (c) cost variance? Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number.

a. Direct labor rate variance	$
b. Direct labor time variance	$
c. Direct labor cost variance	$