Preparing and submitting my Chrome extension to Microsoft Edge

I already have an extension for Chrome in the Chrome store, Poster for Facebook. Evidently both architectures are compatible. How much would you charge to prepare and submit my Chrome extension to Microsoft Edge? Here is information on that:https://docs.microsoft.com/en-us/microsoft-edge/extensions-chromium/developer-guide/port-chrome-extension

Preparing and submitting my Chrome extension to Microsoft Edge