Waterway Company's standard materials cost per unit of output is $8.40(2.10 pounds $4.00). During July, the company purchases and uses 2,310 pounds of materials costing $12,243 in making 1,000 units of finished product. Compute the total, price, and quantity materials variances. (Round per unit values to 2 decimal places, es. 52.75 and final answers to 0 decimal places, es. 52.)