Russell Manufacturing makes a product that uses a material with the following standards: Standard quantity... 3.0 kilos per unit Standard price... $2.00 per kilo Standard cost... $6.00 per unit The company budgeted for production of 1,300 units in April, but actual production was 1,200 units. The company used 3,750 kilos of direct material to produce this output. The company purchased 3,800 kilos of the direct material at a total cost of $8,000 The direct materials purchases variance is computed when the materials are purchased. The materials price variance for April is: a. $400.00 b. $394.74 c. $-14,800.00 d. $-3,400.00