At Beca, the standard quantity of labor is 24 hours per refrigeration unit. The standard wage rate is $34. In July, the company produced 77 refrigeration units and incurred 2,140 labor hours at a cost of $66,340. 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, e.g. 14.37 and final answers to 0 decimal places, e.g. 125. Enter all variances as a positive number.)