Oriole Company's standard labour cost of producing one unit of product DD is 4 hours at the rate of $10.35 per hour. During August. 51,840 hours of labour are incurred at a cost of $10.85 per hour to produce 12,800 units of product DD. Calculate the total labour variance. Total labour variance eTextbook and Media Calculate the labour price and quantity variances. eTextbook and Media Calculate the labour price and quantity variances, assuming the standard is 4.25 hours of direct labour at $11.00 per hour