Assume the perpetual inventory method is used. 1) The company purchased $12,500 of merchandise on account under terms 2/10, n/30. 2) The company returned $1,200 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 $18,800 cash. The net cash flow from operating activities as a result of the four transactions is:

A.$5,100.

B.$7,726.

C.$6,550.

D.$11,074.