Ivanhoe Company's standard materials cost per unit of output is $10 (2 kg * $5). During July, the company purchases and uses 3,200 kg of materials costing $16,480 in making 1,500 units of finished product. Calculate the total, price, and quantity materials variances. (Round per unit calculations to 2 decimal places, e.g. 1.25 and final answers to O decimal places, e.g. 125.) Total materials variance $ Materials price variance $