In resident evil 5 in mercenaries how do you unlock people

Here's my guess. Unfortuantely I really don't know how it works for Resident Evil 5 because I don't have it. So, I'm going to guess on this one. Try beating the game first. For the actually Mercenaries, you should have some people already unlocked from the start. Let's say you only have Chris. Just get a decent score and that should help you unlock people. Hopefully, there are instructions on how to unlock a character when you start and pick a place to go. So, try that and see if it works or not.

To unlock new characters, Etc on the first map, You get an (A) Rating, Then after once you have survived it will show " New Character Unlocked " Or " Jill Valentine Unlocked ", So far I have only managed to unlock Jill. On " The Mines " You unlock Wesker. I would help but in the " In " It shows Nintendo Wii. Im on Xbox, As for anyone else that wishes for some help, GT: NinjaHippyFish Good luck.
Also to get an (A) In Co-Op is 80,000, Solo is 40,000.