I want to be able to provide alternative payment methods during checkout, but I also want to be able to discount or add on top of the total checkout price by a percentage depending on what the user chooses to pay with. How can this be done? I know you would use rules, but which sections would i need to edit?
** edit - I was able to edit up the the "pricing rules" page, but now i get an error for Order Total. I want to be able to mutltiply the order total as seen below. I'm not sure what to put after the colon : of order total.