Childen's Store/Bank/Credits

Credit of Lollipop 386 to Template! When you buy credits, you will automatically get a bank account.
 * 10 credits -- 20 WB$
 * 30 credits -- 40 WB$
 * 50 credits -- 60 WB$
 * 100 credits -- 200 WB$
 * 300 credits -- 400 WB$
 * 500 credits -- 600 WB$
 * 1000 credits -- 1100 WB$