Tenet must install a new $1.8 million computer to track patient records in its multiple service areas. It plans to use the computer for only three years, at which time a brand new system will be acquired that will handle both billing and patient records. The company can obtain a 12 percent bank loan to buy the computer or it can lease the computer for three years. Assume that the following facts apply to the decision: . The computer falls into the three-year class for tax depreciation, so the MACRS allowances are 0.33, 0.45, 0.15, and 0.07 in Years 1 through 4. The company's marginal tax rate is 25 percent. Tentative lease terms call for payments of $600,000 at the end of each year. The best estimate for the value of the computer after three years of wear and tear is $400,000. What is the NAL of the lease? Format is $xx,xxx.xx or ($xxxxx.xx) What is the IRR of the lease? Format is x.xx% or (x.xx)% Should the organization buy or lease the equipment? Format is Buy or Lease