9-15 Solving for Unknowns L02, L03, Levram Company uses a standard costing system. During the past quarter, the following 04 variances were computed: Variable overhead efficiency variance Direct labor efficiency variance Direct labor rate variance S 30,000 U 40,000 U 25,000 U Levram applies variable overhead using a standard rate of S4 per direct labor hour allowed. Two direct labor hours are allowed per unit produced. (Only one type of prod- uct is manufactured.) During the quarter, Levram used 15 percent more direct labor hours than should have been used. Required: 1. What were the actual direct labor hours worked? The total hours allowed? 2. What is the standard hourly rate for direct labor? The actual hourly rate? 3. How many actual units were produced