Bonita Company's standard labour cost of producing one unit of product DD is 4 hours at the rate of $14.70 per hour. During August, $4,940 hours of labour are incurred at a cost of $15.00 per hour to produce 13,400 units of product DD. (a) Calculate the total labour variance. Total labour variance eTextbook and Media Attempts: 3 of 3 used (b) Calculate the labour price and quantity variances