Here is what my math is so far (i am leasing mine).
Assuming you qualify for the full 7500 tax.
The residual is about 44-45% of MSRP (32,780 on the SV X 45% = 14,751)
the lease factor is probably about 0.0025.
1999 includes 1st payment so it is $1648 down
25,280 <14,751> <1648> = $8881 /36mon =...