The standard cost card for a single unit of Robinson, Incorporated's products is shown below. Standard Quantity Standard Price/Rate Standard Unit Cost Direct materials: 2.5 yards @ $ 8.00 per yard $ 20.00 Direct labor: 0.5 hours @ $ 18.00 per hour 9.00 Variable overhead (based on labor hours): 0.5 hours @ $ 10.00 per hour 5.00 Budgeted production for the month 14,000 units Actual production for the month 13,500 units Actual Costs Incurred to Produce 13,500 units: Standard Quantity Standard Price/Rate Total Actual Cost Direct Materials Purchased and Used 35,100 yards @ $ 7.00 per yard $2,45,700 Direct Labor Paid 7,425 hours @ $ 17.50 per hour $1,29,938 Variable Overhead Incurred 7,425 hours @ $ 12.00 per hour $ 89,100 1. Compute the direct material, direct labor and variable overhead variances