Larry is a retired teacher living in Chicago who coaches youth soccer to supplement their normal income. At an hourly wage rate of $$20,$ they are willing to coach $5$ hours per week. Upping the wage to $$40$ per hour, they are willing to coach $14$ hours per week.

Using the midpoint method, the elasticity of Larry's labor supply between the wages of $$20$ and $$40$ per hour is approximately $,$ which means that Larry's supply of labor over this wage range is