Sheridan Company's standard materials cost per unit of output is $9.84 (2.40 pounds x $4.10). During July, the company purchases and uses 2,640 pounds of materials costing $14,256 in making 1,000 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 $