In converting single entry to final account, the balancing figures on the income and expenses accounts are transferred to the?

Use the information below to answer questions 23 and 24.

Beginning inventory............N?
Purchases......................N?
Ending inventory...............N4,800
Sales..........................N12,800
Wages..........................N1,040
Gross profit...................N5,900

The beginning inventory was estimated at 80% of sales.
Determine the amount for the beginning inventory?

What is the figure for purchases?

Cost classification in relation to charges is determined by the level of?

Use the information below to answer questions 26 and 27.

Materials consumed...................N16,600
Direct cost..........................N5,400
Factory rent.........................N2,300
Factory lighting.....................N1,200

Cost of production to be transferred at cost plus 20% mark-up.
The gross profit on manufacture is?