I was wondering if I could get an explanation. Thank you.

Actual results:

Total cost of purchasing material: $15,000

Number of labor hours worked: 450 hours

Number of material pounds used in production: 2,000 pounds

Number of units produced: 200 units

Number of material pounds purchased: 1,500 pounds

Total labor cost :$12,500

Leslie Company has established the following standards:

Price per pound of materials: $8.00 per pound

Standard labor rate: $30.00 per hour

During the year, Rocky Company DEBITED Work-in-Process Inventory for a total of $12,000 of direct labor cost. Given these data, which ONE of the following PAIRS would be included in the summary journal entry needed to record the information related to DIRECT LABOR? Note: Assume that the wages have not yet been paid in cash.