Mother persuaded to give 27 euro for Minecraft Pocket Edition on Pc?

I would like to have pc mcpe but my mother says that i already have the Minecraft Java. I would need 27 euro how can I persuade them to give me that I can buy Mcpe please help me.

That costs 6,99 euro-7,99 euro

STOP! You can get the PE for free!

You get that for 3 euro

The Windows 10 Edition you get https://www.ebay.de/...id=7364532 because neimand wants to have.

Not on the pc