what is the net opearting income for 2022? how much did it increase or decrease from 2021? What was the percentage change from the prior year?

Expensen: Salaries and benefits Supplies and services Depreciation and amortization Facilies Finance and investment Total expenses Income (loss) from current activities \begin{tabular}{rrr} 9,170 & - & 9,170 \\ 5,377 & - & 5,377 \\ 624 & - & 324 \\ 350 & - & 350 \\ 174 & - & 174 \\ \hline 15,695 & - & 15,695 \\ \hline 641 & (46) & 595 \\ \hline \end{tabular} \begin{tabular}{rrr} 8,661 & - & 8,661 \\ 4,767 & - & 4,767 \\ 619 & - & 619 \\ 326 & - & 326 \\ 144 & - & 144 \\ \hline 14,517 & - & 14,517 \\ \hline 1,365 & (153) & 1,212 \\ \hline \end{tabular} Noncurrent and other items: Contributions not available for current activities, net Unallocated imvestment retum, net (22) (22)1,4323716693492,101 income tax expense Benefi cradit Other Total noncurrent and other items \begin{tabular}{rr} 230 & 208 \\ (357) & (1,739) \\ - & (23) \\ - & 175 \\ - & 129 \\ \hline(127) & (1,250) \\ \hline \end{tabular} \begin{tabular}{rrr} (124) & - & (124) \\ \hline 1,322 & 1,040 & 2,362 \\ \hline \end{tabular} Increase (decrease) in net assets before other changes in net assets (482) Pension and other postretirement benefit adjustments Increase (decrease) in net assets Net assets at beginning of year Net assete at end of year \begin{tabular}{llll} 5 & 14,808$,063 & 5 & 19,871 \\ \hline \end{tabular} Se0 notes to consolidated financial statements