Multiple images re-coloured

This is quite a simple project for someone in the know!

I have a number of images that are currently black and white and I would like the black changed to a red similar to our logo. If possible I'd like our logo in the corner of each image too.

There are 54 images (sample of the style of the image attached - please note each image is two things which are pronounced the same but mean different things)

Turnaround needed is within 3-4 weeks max.

Must look professional and not a messy job (which is what would happen if I attempted it myself!)

Please quote cost for 54 images in full and an idea of turnaround - PPH insists I put a budget in but I have no idea of time this will take a professional so please quote what you think is right!

Many thanks