Where credit union’s membership agreement allowed it to charge nonsufficient funds fees on transactions based on the available-balance method, district court did not err in dismissing putative class action.The 7th U.S. Circuit Court of Appeals affirmed a decision by Judge Sharon Johnson Coleman, Northern District of Illinois.Alliance Credit Union is a credit union organized under Illinois law that does business exclusively over the internet. Alliant serves a nationwide customer base that, during the relevant period …