As part of the review, Jones's team began to collect data to make a financial case for assuming greater responsibility for its supply chain. While Nike believed the cost to the brand's reputation was significant when suppliers were exposed violating its code of conduct, this cost had often been viewed as too intangible to quantify. "We decided to focus on the tangible assets by demonstrating the loss of real dollars and cents in terms of profitability and turnover when labor compliance failed." Jones said. "We knew excessive overtime affected a factory's product quality, worker turnover, and productivity.