如何完成任务？How to accomplish the quest？

[格拉摩根伯爵]

找到pj最喜欢的商店和探索艺术区
in ongoing events , i have 2 quest . find pj favourite shop ,and exploore the artistic district.

我已经上亿了，但不敢升级商店离开艺术区
i have more than 100M , but i can not upgrade shop to leave artistic district.

[[Abyte] Tanek]

If you have a pre-1.000 save game please check this: https://steamcommunity.com/app/1343670/discussions/0/3192492886083265706/

If you instead have started a new playthrough after the 1.0 release, can you please better explain what happens and what's your issue?
What shop are you in?