Gateway Tours is choosing between two bus models. One is more expensive to purchase and$$ maintain, but lasts much longer than the other. $$Gateway$\text{'}$s discount rate is $10\mathrm{.}6\%.$ The company plans to continue with one of the two models for the foreseeable future. Based on the costs of each shown$$ here: Model Year $0$ Year $1$ Year $2$ Year $3$ Year $4$ Year $5$ Year $6$ Year $7$

Old Reliable $-201-3\mathrm{.}8-3\mathrm{.}8-3\mathrm{.}8-3\mathrm{.}8-3\mathrm{.}8-3\mathrm{.}8-3\mathrm{.}8$

Short and Sweet $-100-2\mathrm{.}1-2\mathrm{.}1-2\mathrm{.}1-2\mathrm{.}1$