At Clinton, the standard quantity of labor is 24 hours per refrigeration unit. The standard wage rate is $36. In July, the company produced 85 refrigeration units and incurred 2,080 labor hours at a cost of $68,640. Calculate the labor rate variance and the labor efficiency variance. Indicate whether the variances are favorable or unfavorable (Round intermediate calculations to 2 decimal places, eg. 14.37 and final answers to decimal places, eg. 125. Enter all variances as a positive number.) Labor Rate Variance Labor Efficiency Variance $