IngramSpark Paperback File Formatting

I’m getting ready to upload a 6 × 9-inch non-fiction paperback to IngramSpark and need properly formatted, print-ready files. The manuscript is final; what I’m missing are the production-quality PDFs that meet IngramSpark’s exact trim, bleed, margin and spine specifications... (Budget: $250 - $750 USD, Jobs: Adobe InDesign, Graphic Design, Non-Fiction Writing, PDF, Print Design, Publishing)