Great that you are at TUM. Simply join the “Financial Accounting” WI001139 class and afterwards you’ll know how double bookkeeping works. Or read this for a mini-introduction:
https://www.double-entry-bookkeeping.com/budgeting-basics/financial-projections-template/
At one point you will definitely have to show up somewhere with a financial plan or a clear forecast of the future. Check out the Financial Plans created by this very friendly investor in order to deep dive into this topic! đź’¸
