Gateway Tours is choosing between two bus models. One is more expensive to purchase and maintain, but lasts much longer than the other. Gateway's discount rate is 11%. It plans to continue with one of the two models for the foreseeable future. Based on the equivalent annual costs of each, shown below, which should it choose? [Note: I have tried to make it easier for you to solve this problem. You do not need to do extra, unnecessary calculations merely to show me your work.] Model Old R S&S Year 0 $0 $0 Year 1 -$19 -$23 Year 2 -$19 -$23 Year 3 -$19 -$23 Year 4 $19 Year 5 -$19 Year 6 -$19 -$23 Which bus should Gateway Tours choose? Give me the name of the bus that should be chosen, and the final numbers that justify your answer. Do not explain any concepts - I'm looking for an answer along the lines of "Choose because $ is better than $ [I'm sorry if the columns don't line up. I've tried reformatting, but the final version never looks like what I prepared. Old R. is a 6 year project, and S&S is a 4 year project.]