A company purchases merchandise for $20500. The seller also offers credit terms 2/10, n/30. What is the credit terms offered by the seller?
1) 2% discount if paid within 10 days, net amount due within 30 days
2) 2% discount if paid within 30 days, net amount due within 10 days
3) 10% discount if paid within 2 days, net amount due within 30 days
4) 10% discount if paid within 30 days, net amount due within 2 days