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Dvorak Company produces a product that requires 3 standard hours per unit at a standard hourly rate of $17 per hour. If 1,000 units required 2,800 hours at an hourly rate of $16.50 per hour, what is the direct labor (a) rate variance, (b) time vanance, and (c) total direct labor 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 laber time variance: c. Total direct labor cost varlance 5 x 5