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

Rudy Mas'ud
Members of Commission III of the People's Consultative Assembly of the Republic of Indonesia for the period 2019–2024
Rudy Mas'ud (born December 7, 1981) is an Indonesian businessman and politician who serves as Governor of East Kalimantan for the period 2025–2030. Previously, he served as a member of Commission III of the People's Consultative Assembly of the Republic of Indonesia for the period 2019–2024 representing the electoral district of East Kalimantan from Golkar Party. Source: Wikipedia