XYZ operates a backflush accounting system with the following standard costs:

• Raw materials (5Kg per unit) @ N230 per Kg
• Personnel cost @ N300 per unit
• Overheads @ N750 per unit

During a period, the following was achieved:

• Raw materials purchased: 24,500 Kg
• Production: 4,800 units
• Sales: 4,600 units

There was no opening stock, and the triggers used for initiating accounting entries are:

• Purchase of raw materials;
• Sale of finished goods.

Required:

Prepare the following ledger accounts:

i. Combined raw materials and work-in-progress (WIP)
ii. Conversion cost
iii. Cost of goods sold
iv. Period expenses