Trouble changing price of extension

I’d like to change the price of my extension (FluidImporter Pro). I created a new draft, but if I go to the Pricing & Support Tab, the edit field for the price is grayed out and can’t be changed.

Am I missing something?

I have been trying to change the price of the extension in many ways, without success. Can somebody confirm that the only way to change the price is to create a new extension from scratch?

Have you gotten a response to this question?

I haven’t gotten any responce, I even sent an email to developer-support@sketchup.com, but no response.

Sorry about that. I’ll follow up.

Thanks!