Megan is a volunteer fire fighter living in San Francisco who coaches youth soccer to supplement their normal income. At an hourly wage rate of $40, they are willing to coach 1 hours per week. Upping the wage to $65 per hour, they are willing to coach 4 hours per week. Using the midpoint method, the elasticity of Megan's labor supply between the wages of $40 and $65 per hour is approximately __________ , which means that Megan's supply of labor over this wage range is ________