RE design and up date marketing materials in creative suite, indesign.

we have some marketing materials A5 cards that need re designing and updating. The concept will stay the same but we will need the images updating and the branding in line with our company branding. We will supply the source files and fonts (indesign) we will want the source files back in the dame package. . We have approx 30 - 50 cards but if you could price per card as we will send them over in batches of 5 - 10. A5, 2 sides
If project goes ok we will need other items updating. eg brochures, folders, newsletters Our website is www.agchannels.com too view our branding and what we do. example below