Sheffield Company's standard materials cost per unit of output is $12.60 (2.00 pounds x $6.30). During July, the company purchases and uses 3,700 pounds of materials costing $24,420 in making 1,800 units of finished product. Compute the total, price, and quantity materials variances. (Round per unit values to 2 decimal places, eg. 52.75 and final answers to 0 decimal places, eg. 52.) Total materials variance Materials price variance Materials quantity variance