From the following data calculate the cost of goods sold and closing inventory under the IFRS of weighted average cost of inventory valuation using:

1. Perpetual Inventory System

March1, 2021 Opening Stock 1,500 units @ $9 each

Purchased:

March 5 1,000 units @ $11 each

March 10 1,500 units @ $12 each

March 18 1,200 units @ $ 10 each

March 24 1,500 units @ $ 12 each

March 30 800 units @ $ 13 each

Sold:

March 2 800 units

March 9 700 units

March 16 900 units

March 23 500 units

March 31 600 units