summarize the analysis For the year ending December 31, 2018, the Non-Operating Income Index is 2,809, which means the non-operating income was 28.09 times higher than the base year (2017). It accounted for 5.96% of the total income for that year. In 2019, the Non-Operating Income Index dropped to 451, indicating a significant decrease in non-operating income compared to 2017. It represented only 1% of the total income for that year. The Non-Operating Expense Index for both years is 0