Which of the following sentences apply correct number style? Check all that apply. a. We prefer that our interns have completed b. Finance 201 and an advanced professional communication course. c. He hopes to have at least $2 million in his retirement account by the time he turns 40.d. 57% of his take-home salary goes straight into his retirement account.

An increase in the market price of men's haircuts, from $16 per haircut to $26 per haircut, initially causes a local barbershop to have its employees work overtime to increase the number of daily haircuts provided from 20 to 25. when the $26 market price remains unchanged for several weeks and all other things remain equal as well, the barbershop hires additional employees and provides 40 haircuts per day. what is the short-run price elasticity of supply? nothing (your answer should have two decimal places.) what is the long-run price elasticity of supply? nothing (your answer should have two decimal places.)