PRINCETON, N.J.--(BUSINESS WIRE)--Zycus, a world leader in Procurement Technology solutions across the source-to-pay cycle, announced today that it will promote in association with The Hackett Group (NASDAQ: HCKT), the 2015 Purchase-to-Pay Performance study. The Hackett Group’s study, which has been one of the most widely-used studies of its type for more than a decade, is designed to enable organizations to measure performance of their purchase-to-pay processes against top performing organizat