A company sets standard costs for its product as follows:

Direct materials: 3 kilograms per unit at $6 per kilogram

Direct labor: 2 hours per unit at $12 per hour During the month, the company produced 3,500 units and incurred the following actual costs:

Direct materials: 10,000 kilograms at $5.80 per kilogram

Direct labor: 7,200 hours at $11.50 per hour Calculate the direct materials price and quantity variances, as well as the direct labor rate and efficiency variances.