The standard cost of product 2525 includes 4.10 hours of direct labour at $14.40 per hour. The predetermined overhead rate is $21.60 per direct labour hour. During July, the company incurred 11,170 hours of direct labour at an average rate of $14.80 per hour and $237,012 of manufacturing overhead costs. It produced 2,700 units. (a) Calculate the total, price, and quantity variances for labour. (Round per unit calculations to 2 decimal places, e.g. 1.25 and final answers to O decimal places, e.g. 125.) Total labour variance Labour price variance Labour quantity variance $ +A +A