Back to Assignmont Attempts Keep the Highest / 1 11. Calculating the price elasticity of supply Gilberto is a volunteer fire fighter living in Philadelphia who coaches youth soccer to supplement their normal income. At an hourly wage rate of $15, they are willing to coach 3 hours per week. Upping the wage to $30 per hour, they are willing to coach & hoar per week. Using the midpoint method, the elasticity of Gilberto's labor supply between the wages of $15 and $30 per hour is approximately _ ,which meant that Gilberto's supply of labor over this wage range is_