Name of the plugin you want: EconomyShopGUI Premium
Spigot Link: https://www.spigotmc.org/resources/economyshopgui-premium.104414/
Other Link: https://marketplace.songoda.com/marketplace/product/economyshopgui-premium-esgui-prem.595
Price: 12.00 USD
How it would contribute towards the betterment...