Darlington Company entered into the following business events during its first month of operations. The company uses the perpetual inventory system.

1. 1) The company purchased $12,300 of merchandise on account under terms 4/10, n/30.
2. 2) The company returned $1,800 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 $18,600 cash.

What is the net cash flow from operating activities as a result of the four transactions?