If there are 50 pieces, 1 piece is 3.10 AZN + 0.20 AZN (if printing on the second side)
If there are 100 pieces, 1 piece is 2.95 AZN + 0.18 AZN (if printing on the second side)
If there are 300 pieces, 1 piece is 2.90 AZN + 0.17 AZN (if printing on the second side)
If there are 500 pieces, 1 piece is 2.85 AZN + 0.16 AZN (if printing on the second side)
If there are 1000 pieces, 1 piece is 2.80 AZN + 0.15 AZN (if printing on the second side)
If there are 3000 pieces, 1 piece is 2.75 AZN + 0.14 AZN (if printing on the second side)


Note: the ink of the pens is blue.