Please explain the math to get to the answers

Japan Company produces lamps that require 3 standard hours per unit at a standard hourly rate of $14.30 per hour. Production of 6,200 units required 18,230 hours at an hourly rate of $14,00 per hour. What is the direct labor (a) rate variance, (b) time variance, and (c) total cost variance? Enter favorable variances as negative numbers, a. Direct labor rate variance 5,469 X Favorable Favorable b. Direct labor time variance 5,291 x Favorable c. Total direct labor cost variance 10,760 X Feedback Check My Wor Partially correct