An increase in the market price of men's haircuts, from $18 per haircut to $28 per haircut, initially causes a local barbershop to have its employees work overtime to increase the number of daily haircuts provided from 40 to 45. when the $28 market price remains unchanged for several weeks and all other things remain equal as well, the barbershop hires additional employees and provides 60 haircuts per day. what is the short-run price elasticity of supply? 0.27 (your answer should have two decimal places.) what is the long-run price elasticity of supply? nothing (your answer should have two decimal places.)