This is a Skript I made.
Syntax:
[%string%] means optional
%%string%% means a string
(%string%|%string%) means options
%string% means something you have to enter

Commands:
Manage Money:

/mm clear %player%
Removes all money from a player's balance.

/mm add %player% %amount%
Adds money to a player's balance.

/mm remove %player% %amount%
Removes money from a player's balance.

/mm take %player% %amount%
Removes money from a player's balance and adds it to your balance.

Balance:

/balance [%player%]
/bal [%player%]
Shows your/someone's balance

Permissions:

Manage Money: mm.use