How's this deal for a Lexus GS 200t

How’s this deal? Sale price is roughly 10% discount from sticker. Do you guys think it’s possible to get a higher discount like 14%?

MSRP = 50,845
Sale Price = 45,507
Rebates = ~$5,200
9 MSD @ $500
MF = 0.00078
Residual = 53%
36 months / 15k yr

$1k towards drive off
$483/mo (tax included)