can someone solve net operating working capital step by step?

2019 2018 (Rupees in '000) Note 6 7 8 ASSETS Cash and balances with treasury banks Balances with other banks Lendings to financial institutions Investments Advances Fixed assets Intangible assets Deferred tax assets Other assets 9 10 11 12 132,704,797 12,542,239 1,090,058 748,764,502 496,678,874 58,271,245 957,552 103,174,597 11,878,975 35,106,241 749,368,738 503,581,323 40,811,956 630,141 13 64,142,748 1,515,152,015 53,578,090 1,498,130,061 LIABILITIES Bills payable Borrowings Deposits and other accounts Liabilities against assets subject to finance lease Subordinated debt Deferred tax liabilities Other liabilities 15 16 17 11,821,698 89,505,892 1,144,763,259 15,699,280 216,018,886 1,049,037,615 18 19 20 5,850,645 94,295,738 1,346,237,232 168,914,783 3,891,019 1,532,177 62,673,355 1,348,852,332 149,277,729 NET ASSETS