Calcio Japan Company produces lamps that require 3 standard hours per unit at a standard hourly rate of $11.70 per hour. Production of 6,700 units required 20,700 hours at an hourly rate of $11.50 per hour. What is the direct labor(a) rate variance, (b) time variance, and (c) total cost variance? Enter favorable variances as negative numbers. Favorable a. Direct laborate variance b. Direct labor time variance Unfavorable c. Totalcrctior cost variance Unfavorable Previous backspace Ctrl