Deal Check : Lexus IS 300 PREMIUM SEDAN

Region - Southeast
2020 IS

43010MSRP
-$4301 dealer discount (10% off)
-$5250 rebates

Adjusted price: $33459

Region-Southeast
36 mo/10,000 mi
0 down
0 MSDs
Monthly payment = $358 ( Including Taxes ) - All other fees roll into payment.
Is it a good deal?
2021 will have a new design. Was asking the dealer 14% off MSRP, not buzzing. Please let me know.
Also how to buy the car under my company name? How about insurance?
Any guidance would be much appreciated.