Which of the following are short-run decisions and which

Which of the following are short-run decisions and which are long-run decisions? a. General Motors decides to add a second shift to its Arlington, Texas production plant. b. Gotham Foods International chooses to exit the restaurant industry to concentrate on its wholesale grocery supply business c. The Sahara Hotel and Casino in Las Vegas closes two of its three hotel towers in response to low demand. d. Tony Andretti, owner of Tony the Taxman, hires five new CPAs to work at his tax preparation business. e. German tool and appliance manufacturer Bosch enters the electric bicycle industry in 2010. f. General Electric builds a new offshore wind manufacturing plant in the United Kingdom