Weeblu Inc. sells a product that has generally been increasing in price.

On July 1, Weeblu had 30 units in inventory that cost $4 each.

During July, Weeblu made the following purchases:

July 6: 10 units at $5 each

July 18: 20 units at $6 each

July 24: 20 units at $8 each

At the end of July, Weeblu sold 48 units for $24 each.

20 units were from the beginning inventory, 8 units were from the July 6 purchase, 11 units were from the July 18 purchase, and 9 units were from the July 24 purchase.

1. How many units did Weeblu have left in inventory at July 31?

2. What was the "Total cost of goods available for sale" for Weeblu for the month of July?