How much money will I earn as a writer (author), from the sale of the eBook?

What is the percentage of the selling price for each eBook, reserved by the Apple Books platform?

What does Publishopia offer?

What do ’’multi-touch’’ and “interactive” offer me?

What is the format, .ibooks?

Where can I find the eBook after its creation?

How much can be sold an eBook?

What should I do and what kind of files must I give to Publishopia in order to create the eBook?

How much will cost me the creation of an eBook?