Consider the labor market for grocery store cashiers. Who are the demanders in the market and who are the suppliers? The average hourly wage for cashiers is $10.93 per hour. Use a graph to illustrate the market for grocery store cashiers if labor supply is upward-sloping. Be sure to properly label the axes, curves, and equilibrium wage. Use the four core principles to describe why cashiers may have upward-sloping labor supply curves.