Calculating the price elasticity of supply span is a stay-at-home parent who lives in Detroit and teaches tennis lessons for extra cash, At a wage of $30 per hour, she is willing to teach 3 Drd per week. At $50 per hour she is willing to reach 7 hours per week. Ing the midpoint method, the elasticity of Megan's Ishor supply between the wanes of $30 and $50 per hour is approximately Which sane that Hagan's supply of labor over this wage range le