Swifty Company's standard materials cost per unit of output is $10.80 ( 2.00 pounds x$5.40). During July, the company purchases and uses 3,250 pounds of materials costing $18,850 in making 1,600 units of finished product. Compute the total, price, and quantity materials variances. (Round per unit values to 2 decimal places, e.g. 52.75 and final answers to 0 decimal places, e.g. 52.) Total materials variance Materials price variance Materials quantity variance $