Assume the perpetual inventory method is used.

1. 1) The company purchased $12,800 of merchandise on account under terms 2/10, n/30.

2. 2) The company returned $2,300 of merchandise to the supplier before payment was made.

3. 3) The liability was paid within the discount period.

4. 4) All of the merchandise purchased was sold for $19,600 cash.

The net cash flow from operating activities as a result of the four transactions is: