Pay Merge Anvil For 1.8.8

Minecraft version : 1.8.8

Suggested name : PayMergeAnvil

What I want : Hello . I Want Someone To Make Me A Plugin . A Pay Merge Anvil That U Can Setup The Anvil By The Command /setanvil . So When U Right Click On The Anvil That U Choose By Doing The Previous Command IT Will Open A Gui To Choose If U Want To Pay To Open The Merge Anvil Or To Cancel [Green Wool To Pay 30$ - Red Wool To Cancel]
That's All What I Want / Im Using Vault + Essentials For Economy

Ideas for commands :
/setanvil * To Set The Merge Anvil

Ideas for permissions :
anvil.set . To Use The CMD /setanvil

When I'd like it by : As Soon As You Can . And Thank UUUU

 

What do you mean by "pay to merge the anvil"

 

Not Pay To Merge The Anvil . It's Pay To Merge Items In The Anvil . U Need To Pay To Merge u see ^-^