After a company implements electronic data interchange (EDI) to communicate with its customers, an appropriate control for ensuring authenticity of the electronic orders it receives is to Perform reasonableness checks on quantities ordered before filling orders. Encrypt sensitive messages such as electronic payments for raw materials received. Acknowledge receipt of electronic payments with a confirming message. Verify the identity of senders and determine whether orders correspond to contract terms.

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.)