1. A manufacturer purchases 20,000 units of a product at $1 each, 15,000 at $1.15 each and 5,000 at $2 each.What is the weighted average cost per unit?

__ 2. A company purchases 150 shares of another company one year at $20 a share. Then in the second year, they purchase another 100 shares but at $10 a share

What is the average cost per share?

3 3. Pen International has the following quarterly report

Quarter1
Jan	$520
Feb	$310
Mar	$420
Quarter 2
Apr	$460
May	$510
June	$420

3.1. What the average Q1 sales and Q2 Sales?

3.2. Show Quarter 2 average sales as percentage of quarter 1