Colorize and Restore 35mm Negative

I need a scanned 35mm negative colorized into a natural-looking color photo. I attached two images from the scan. The small one 1255 x 832 pixels was colorized with Nano Banana. The large one 3500 x 2321 pixels needs to be colorized like the small one... (Budget: $250 - $750 USD, Jobs: Adobe Lightroom, Adobe Photoshop, Color Grading, Digital Art, Graphic Design, Image Processing, Photo Editing, Photo Restoration, Photoshop, Photoshop Design)