Image editing

Hi I have 9 images I need to resize from 300*300 to 600*600, don't want to loose to much quality and need the the to cantered and editing to all the 9 looking the same layout, it is product images.

I have another 9 images I need to remove a watermark from.

Please see attachment of each one the images and let me know if you can do a sample so I can see before buying.
The blue one need to remove watermark and the orange need to resize.

Please provide with total price, only fixed price.