At a wage of $25 per hour, he is willing to work 6 hours per week. At $35 per hour, he is willing to work 16 hours per week. Using the midpoint method, the elasticity of Nick's labor supply between the wages of $25 and $35 per hour is approximately ________, which means that Nick's supply of labor over this wage range is [elastic/inelastic/unit elastic] . 2.73, elastic