Profitability analysis Marathon Petroleum’s total revenues and other income were $150.3 billion, $180 billion and $121 billion in 2023, 2022 and 2021, respectively. Total revenues and other income in 2023 were down 16.5% year-on-year. Total revenues and other income in 2022 were up 48.8% year-on-year. Gross margin was 14.4%, 15.9% and 9% in 2023, 2022…