1. You decided to buy a new packaging equipment for your factory. There are 4 models that are in consideration to choose from. Every single model packages different amount of products per year. Thus, there is a revenue difference between each alternatives. Use incremental ROR analysis by using Present worth evaluation and the information given below to select the best alternative among others where MARR is 13% per year. (50 pts.) First Cost, s Annual cost, $/year Annual Income, $/year Salvage, $ Life A B D -22,000 -40,000 -14,000 -27,000 -6,000 -9,000 -4,000 -8,000 +10,000 +15,000 +7,000 +13,000 10,000 12,000 6,000 14,000 4 6 4 4