Safitri, R., Sulastri and Andriana, I. 2023. The Influence of Operational Costs on Operating Income and Interest Rates on Non-Performing Loans in Banking Companies listed on thei Indonesian Stock Exchange. Ilomata International Journal of Tax and Accounting. 4, 4 (Oct. 2023), 771-781. DOI:https://doi.org/10.52728/ijtc.v4i4.909.