Why would anyone buy off public....


Unit You own Cost
Troops 5,755,078 $99
Jets 1,928,109 $132
Turrets 388,798 $145
Tanks 160,270 $405
Bushels 51,765 $248
Oil 4,778 $276

Bushels are cheaper on public.
Sometimes when you have bought off everything on private market, you still have money left to spend and have to buy it off public.
The prices quoted above are for Theo govt. If you are other govt. types, sometimes goods are cheaper on public, even after commission.
Those are good private market prices you got, must have close to maximized your military tech.