XYZ manufacturing company wants to determine whether it should upgrade a class of machines now or later. If the company selects plan A, the upgrade will be purchased now for $200,000. However, if the company selects plan B, the purchase will be deferred for 3 years when the cost is expected to rise to $300,000. XYZ expects a real MARR of 12% per year. The inflation rate in the country has averaged 3% per year. From only an economic perspective, determine whether the company should purchase now or later (a) when inflation is not considered and (b) when inflation is considered.