On the MainMenu, click "reset game" and than click "Reset Vet Data" under the "hardcore game" button and that will completely reset everything. (If your Achiev's don't reset, go ahead and his the "reset" button on the Achiev screen.
i belive the values are inverted, to buy the upgrade of oil company from 300 to 301, cost 16,855 quintillions, bank 22.884, movie 30.282, hokey 39.071, shirimp 49.177, donut 60.409, pizza 72.451, soap 84.876 and to buy newspaper delivery from 290 to 291 cost 24.017, sorry for the bad english XD
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 "AdVenture Capitalist"){kind=icon}
On the MainMenu, click "reset game" and than click "Reset Vet Data" under the "hardcore game" button and that will completely reset everything. (If your Achiev's don't reset, go ahead and his the "reset" button on the Achiev screen.