Sanford Ltd. produces a product with the following standard cost card: Direct materials (19 kg) $50.77 The fixed overhead rate is based on a standard monthly volume of 15769 units. The actual results for the month of July 20x5 are as follows: Direct materials purchased and used (385674 kg) $614535 What is Sanford's direct materials price variance for July 20x5? Note: a negative number represents an unfavourable variance and a positive number represents a favourable variance. Select one: a. $323190 b. 5-416027 O c.5416027 d. $186057