Crop & export 16 PSB files for book print (A4 → 8.5×11, full bleed)

I have 16 PSB illustration files currently sized at A4.
I need them prepared for book printing.

This is NOT design work.

TASKS:
• Open PSB files in Adobe Photoshop
• Crop only from A4 to 8.5 × 11 inches
• No resampling / no resizing
• Add full bleed: 0.125 inch on all sides
• Final canvas size with bleed: 8.75 × 11.25 inches
• Resolution 300 DPI
• Keep important content inside the trim area
• Export print-ready PDF files

IMPORTANT:
• No redesign
• No layout changes
• No colour correction
• Artwork is already finished

DELIVERY:
• 16 separate PDF files
• One page per PDF
• Named clearly (Page_01.pdf, Page_02.pdf, etc.)

BUDGET:
• £50 total (fixed) for all 16 files
• Please bid only if you agree to this budget