Trini Company set the following standard costs per unit for its single product Overhead is applied using direct labor hours. The standard overhead rate is based on a predicted activity level of 80% of the company's capacity of 63,000 units per quarter. The following additional information is avallable During the current quarter, the company operated at 90% of capacity and produced 56,700 units; actual direct labor totaled 393,900 hours. Units produced were assigned the following standard costs. Required: 1. Compute the direct materials variance, including its price and quantity variances. 2. Compute the direct labor variance, including its rate and efficiency variances. 3. Compute the overhead controllable and volume variances