You can buy a fancy store display for $$517$ or you can rent one for $$53\mathrm{.}70$ per month for $8$ months with the first payment due in $1$ month. Your discount rate is $3\mathrm{.}1\%$ per month, and the tax rate is $16\%.$ Assuming that this is a valid lease, what is the NAL? $($Round to the nearest cent$)$