Why is the Bugatti Veyron so expensive?

There are so many reasons that justify the insane price tag of Bugatti Veyron. In fact, Bugatti sold Veyron at loss of
$4 million,per Veyron.

1-The body of car is mainly carbon fibre, and we all know the prices of carbon fibre are not cheap.

2-Engine break and some other internal components are made up of titanium.

3-The car is pretty aerodynamic, and has very effective, complicated working rear wing.

4-The engine produce 1200 BHP and 1500 Newtown meter of torque,and has 0 to 100 in 3 sec,and has top speed of 430 kmph.

5-The interior is made up of finest materials,The seats are made of very expensive cowhide.

6-The entire car and engine is hand built.

7-Bugatti cars or not for masses, these cars are more of collectibles item, if you buy $3 million Bugatti so you have chance to sell it in $5 million,because these cars are very limited in our planet.