GMAC Residential Funding Corp. has rolled out four new business solutions in its suite of eCommerce business tools designed to help lenders streamline processes and boost profitability. The expanded program lineup gives lenders the tools they need to differentiate themselves and enhance their competitive advantage, said RFC officials. The new Assetwise Compliance Engine determines if a loan may be ineligible for purchase by RFC because it would be classified as a “high cost loan” under…