The DeShannon Company produces a product that requires 4 kilograms of raw materials at a cost of $10 per kilogram (at standard). Data for the previous month are as follows: 18535 Kilograms of raw materials purchased Kilograms of raw materials used 15077 Actual price per kilogram 9 What is the direct materials price variance? Note that a negative number indicates an unfavourable variance. Select one: O a. $-18535 O b. $-15077 O c. $15077 O d. $18535