Please show explanation step by step

INFO

Bellingham Company produces a product that requires 3 standard direct labor hours per unit at a standard hourly rate of $21.00 per hour. 15,800 units used 63,700 hours at an hourly rate of $19.30 per hour.

PROBLEM:

What is the direct labor (a) rate variance, (b) time variance, and (c) cost variance? Round your answers to the nearest dollar. 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	?	Favorable
b. Direct labor time variance	?	Unfavorable
c. Direct labor cost variance	?	Unfavorable