Brief Exercise 23-4 Simba Company's standard materials cost per unit of output is $9.60 (2.00 pounds x $4.80). During July, the company purchases and uses 2,160 pounds of materials costing $11,448 in making 1,200 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 s