Atlantic Manufacturing Company Uses Standard Costing Methodology in Their Journal

Atlantic Manufacturing Company uses standard costing methodology in their journal entries and accounts. Standards for direct materials are as follows: Actual purchases of materials for the current month are as follows: 10,000 pounds for $48,000
Planned production for the month: 3,000 units
Atlantic has just issued 10,000 pounds of raw materials to production. The journal entry to record this transaction would be to:

A) debit WIP $28,800, credit Materials inventory $30,000, debit Materials efficiency variance $1,200.
B) debit WIP $28,800, credit Materials inventory $50,000, debit Materials efficiency variance $28,750.
C) debit WIP $30,000, credit Materials inventory $50,000, debit Materials efficiency Variance $20,000.
D) debit WIP $50,000, credit Materials inventory $48,000, credit Materials efficiency variance $50,000.