Waterway Company's standard materials cost per unit of output is $9.00 (2.00 pounds x $4.50). During July, the company purchases and uses 3,080 pounds of materials costing $16,632 in making 1,400 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 O decimal places, e.g. 52.) Total materials variance $ Materials price variance $ Materials quantity variance $