Noting Walmart's ongoing high - profile fight with credit company Visa,
and recent news that
consumers in the U.K. are
preparing a 19 billion - pound ($ 24.5 billion USD) class action lawsuit against MasterCard alleging unfair practices, he added, «Whether retailers are large or
small, when credit card
and related transaction fees for merchants run rampant, it directly
and immediately increases the cost of doing
business.