Oregon Gov. Kate Brown celebrates before signing Senate Bill 1532, increasing Oregon's minimum wage according to a tiered system, at the State Capitol in Salem on Wednesday, March 2, 2016. PortlandÂ?s minimum will rise to $14.75 by 2022, suburban areas to $13.50 and rural areas to $12.50. The tiered approach is based on economic factors.  (Anna Reed/Statesman-Journal via AP) MANDATORY CREDIT