Required information [The following information applles to the questions displayed below.] Trinl 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 67,000 units per quarter. The following additional Information is avallable. During the current quarter, the company operated at 90% of capacity and produced 60,300 units; actual direct labor totaled 399,200 hours. Units produced were assigned the following standard costs. Actual costs incurred during the current quarter follow. Required: (a) Compute the varlable overhead spending and efficlency varlances. (b) Compute the fixed overhead spending and volume varlances. (c) Compute the overhead controllable varlance. Complete this question by entering your answers in the tabs below. Complete this question by entering your answers in the tabs below. Complete this question by entering your answers in the tabs below. Compute the overhead controllable variance. (Indicate the effect of each variance by selecting favorable, unfavorable, or no variance.)