Overhead Variances At the beginning of the year, Lopez Company had the following standard cost sheet for one of its chemical products: 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: 1. Compute the variable overhead spending and efficiency variances. Enter amounts as positive numbers and select Favorable or Unfavorable. Spending variance Efficiency variance 2. Compute the fixed overhead spending and volume variances. Enter amounts as positive numbers and select Favorable or Unfavorable. Spending variance Volume variance