Extracted text: A contractor is trying to decide whether to by a new machine now or wait 3 years from now. The machine costs $63,000 if purchased now or $81,000 if purchased 3 years from now. At a real MARR of 12% per year and an inflation rate of 4% per year, determine if the company should buy now or later (a) without any adjustment for inflation and (b) with inflation considered.