通过原文“I’ll give it to you in fifties．If  you want to transfer your money from your  savings account to the check account，you have  to fill out these slips as well．”可知是在银行  存款。
Question Fifteen
Please sign your name on the check and don't forget the date. Then give me the check and your driver's license. I'll give it to you in fifties. If you want to transfer your money from your savings account to the check account, you have to fill out these slips as well.