. Quality Streets (Private) Limited has the following stock movements in May 2021.

Opening stocks 500 units PKR 03 each

Purchases 1,100 units @ PKR 3.20 each 400 units @ PKR 4.00 each

1,600 units @ PKR 4.40 each

Sales 3,200 units @ PKR 7.50 each

It is estimated that sale price will be PKR 8.50 per unit at the month end whereas selling expenses and other expenses to complete will be PKR 0.75 per unit and PKR 1.25 per unit respectively. Compute the cost of goods sold and value at which the ending inventory will be recorded at the end of May 2021 using a weighted average stock valuation base