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 10.5%. The company plans to continue with one of the two models for the foreseeable future. Based on the costs of each shown below, which should it choose? (Note: dollar amounts are in thousands.) Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7 Model Old Reliable Year 0 -$198 -$3.9 -$3.9 -$3.9 -$3.9 -$3.9 -$3.9 -$3.9 Short and Sweet -$98 -$2.1 -$2.1