The standard cost of product 2525 includes 3.20 hours of direct labour at $14.15 per hour. The predetermined overhead rate is $20.90 per direct labour hour. During July, the company incurred 7,780 hours of direct labour at an average rate of $14.45 per hour and $157,612 of manufacturing overhead costs. It produced 2,400 units. (a) Calculate the total, price, and quantity variances for labour. Total labour variance Labour price variance $ Labour quantity variance >