Required information [The following information applies to the questions displayed below.) Darlington Company entered into the following business events during its first month of operations. The company uses the perpetual inventory system. 1) The company purchased $12,600 of merchandise on account under terms 2/10, n/30. 2) The company returned $2,100 of merchandise to the supplier before payment was made. 3) The liability was paid within the discount period. 4) All of the merchandise purchased was sold for $19,200 cash. What is the net cash flow from operating activities as a result of the four transactions