Please solve it quickly within 15 minutes and get two upvotes immediately. Thank you

Which of the following pieces of information would be irrelevant in deciding to upgrade a company's heating and air conditioning system? Select one: The purchase price of the new equipment. The energy efficiency of the old equipment versus the energy efficiency of the new equipment O The safety of the new equipment compared to the old equipment O The purchase price of the old equipment compared to the purchase price of the new equipment The productivity of the old equipment compared to that of the new equipment O The selling price of the old equipment