Why do we need to know the flow of campaign funds?

I.G. Ngurah Kesuma Kelakan
Member of the Indonesian House of Representatives, Commission VIII 2019-2024
I Gusti Ngurah Kesuma Kelakan, S.T., M.Si. (born April 4, 1967) is an Indonesian politician who serves as a member of DPR-RI for the 2024–2029 term. Previously, he served as the Deputy Governor of Bali from 2003 to 2008 alongside Dewa Made Beratha, then became a member of the DPD RI from 2009 to 2014, and subsequently served as a member of the DPR RI for the 2019–2024 term with assignments in Commission VIII. He represents the electoral district of Bali and is a cadre of the Indonesian Democratic Party of Struggle. Currently, he sits in Commission VI. Source: Wikipedia