AllStar allocates manufacturing overhead to production based on standard drect labor hours. All - Star reported the following actual results for 2018 : actual number of units produced, 1,000 , actual variable overthead, $3,800, actuat fixed overhead, $3,500, actual direct labor hours, 1,400 Read the requirements. Requirement 1. Compute the variable overhead cost and efficoncy varances and foxed overhead cost and volume varances Begin with the variable overhead cost and efficiency variances. Select the required formulas, compute the variable overhead cost and efficiency variances, and identify whether each variance is favorable (F) or unfavorable (U). (Abbreviations used AC= actual cost, AQ= actual quantity, FOH= foxed overhead, SC= standard cost, SQ= stan