Deal Check 2020 IS350 F - Need Feeback on the lease

Looking to get some feedback from the Pros here.
Negotiating a deal with a local GA dealer for IS 350 F White with Black interior. here is his Final offer

MSRP : $49808
36 Months / 12K miles, $481 $0 down.
I tried to match the numbers on the calculator as much as possible with the known information. Should I negotiate further?