Lopez computes its overhead rates using practical volume, which is 80,000 units. The actual results for the year are as follows: (a) Units produced: 79,600; (b) Direct labor: 158,900 hours at $18.10; (c) FOH: $831,000; and (d) VOH: $112,400. Required: Compute the variable overhead spending and efficiency variances. Compute the fixed overhead spending and volume variances.
