IAP Setup for iOS Gaming App

I need a professional who can assist me with setting up In-App Purchases (IAP) on the App Store. My game is specifically developed for the iOS platform. we did the IAP setup in the Unity project and need help with the app store IAP publishing process.

Key Requirements:
- Expertise in iOS In-App Purchase system
- Experience in implementing IAP for games
- Knowledge of various types of in-app purchases (consumable, non-consumable, subscription)

This task involves ensuring a seamless and secure IAP process within the app that adheres to App Store guidelines. The successful candidate should be able to guide the best practices to drive user engagement and monetization through in-app purchases. Please be prepared to share relevant examples of your previous work in this area.

my game is live on the app store and now I need an Update with IAP, You get access to my PC through AnyDesk. and it would be best if you did this using any desk only, I'm not comfortable sharing the login credentials or providing any access.

https://apps.apple.com/bg/app/messy-bottle-puzzle-game/id6479574214
this is the game.

fix budget 10$(800-850 INR)