United States, May 13 -- Amazon launched the new Prime Business Card and Amazon Business Card, bringing together the Amazon rewards business customers love with powerful new benefits to help businesses make the most of their spending on Amazon. These cards, issued by U.S. Bank as part of the Mastercard network, offer rewards wherever customers are shopping, access to flexible financing for purchases, and no annual or foreign transaction fees. Both cards are now available to new applicants. More rewards, more flexibilityThe new cards continue to give customers the most value for their Amazon purchases. The Prime Business Card offers Prime members 5% back on U.S. purchases up to $150,000 annually from Amazon Business, Amazon.com, Amazon Web S...