The following data concerns a proposed equipment purchase: Cost $ 144,000 Salvage value $ 4,000 Estimated useful life 4 years Annual net cash flows $ 46,100 Depreciation method Straight-line Assuming that net cash flows are received evenly throughout the year, the accounting rate of return is (ignore income taxes):

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.)