Jake's Cheese Company produces gourmet cheese for resale at local grocery stores. Jake's expected to use 0.50 direct labor hours to produce one unit (batch) of product at a cost of $10 per hour. Actual results are in for last year, which indicates 45,000 batches of cheese were sold. The company's direct labor workforce worked 27,500 hours at $9 per hour. Required: A. Calculate the labor rate variance. B. Calculate the labor efficiency variance