87. Shade Company adopted a standard cost system several years ago. The standard costs
for direct labor and direct materials for its single product are as follows: Materials (5 kilograms ×
$12.00/kilogram) = $60.00/unit. Direct labor (3.5 hours/unit × $20.00/hour) = $70.00/unit. All
materials were issued at the beginning of processing. The operating data shown below were
taken from the records for December:
In-process beginning inventory None
In-process ending inventory—80% complete as to labor 960 units
Units completed during the period 6,700 units
Budgeted output 7,200 units
Purchases of materials (in kilograms) 40,000
Total actual direct labor cost incurred $528,410
Direct labor hours worked (AQ) 26,500 hours
Materials purchase-price variance $1,600 favorable
Increase in materials inventory in December 1,550 kilograms
The direct labor flexible-budget variance for December was: