The aims of this study are (1) to find out how the supply chain management of the palm cooking oil processing in PT TBL Banyuasin Regency, (2) to analyze the cost of palm cooking oil at the PT TBL palm oil mill, Banyuasin Regency, (3) to analyze the profit or loss added value after CPO is processed into palm cooking oil at PT TBL's palm oil mill. The research was conducted at PT TBL, Talang Kel…