Last Friday, for the first time in nearly a decade, Minnesota's minimum wage went up. The first in a series of incremental hikes brought the wage floor from $6.15 to $8 per hour for relatively large companies, and from $5.25 to $6.50 for small ones. As you'd expect, some businesses aren't thrilled about that -- especially bars and restaurants, as the new law doesn't include a tip exception. But the Oasis Cafe in Stillwater is generating a stir for transparently including a "Min Wage Fee" on all customer checks: