Answer:The needed funds/money will be transferred automatically from their savings account.
Explanation: A bad check is a that is whose payment is taking from an account not existing or an account with less amount considering the amount required to pay the check. Since Jack and Jill have an automatic funds transfer agreement with their bank, generally funds will be transferred automatically from their savings account with the bank.
It is better Jack and Jill start to know their account balance and take adequate steps to tract it in order to avoid Issuing BAD CHECK.