This is something that has us thinking, according to modern retail research here, discount prices are much more effective if in red.
For an example check out these two identical prices one in black and the other in red, I see the red one, which do you think is more effective?
Interestingly the effect was much more apparent with men then with women as this graph shows.
So if you want to make your discounted prices more effective, I would suggest using a red marking pen not black.
Note: If you are interested and there is sufficient demand, we could get a run of red labels printed, which could, then be printed from the computer.
