im currently having trouble understanding the concept.

During the months of January and February. Hancock Corporation sold goods to three customers. The sequence of events was as follows: Jan. 6 Sold goods for $600 to 5 . Green and billed that anount nubject to terms 2/10,n/30. 6 Sold goods to K. Munoz for $600 and billed that anount aubject to terma 2/10,n/30. Tob. 2 collected cash due from S. Green. 28 Sold goods for 5510 to R. Reynolds and b111ed that amount subject to terms 2/10, n/45. Required: Assuming that Sales Discounts is treated as a contra-revenue, compute net sales for the two months ended February 28