The following table tracks the main components of working capital over the life of a four$-$year project.

$\backslash$table$[[$Accounts receivable,$2021,2022,2023,2024,2025],[$Inventory$,0,154,000,229,000,194,000,0],[$Accounts payable,$77,000,132,000,132,000,97,000,0],[(26,000,51,000,52,000,36,000,0,]]$

Calculate net working capital and the cash inflows and outflows due to investment in working capital: Note: Negative answers should be indicated by a minus sign.

$\backslash$table$[[,2021,2022,2023,2024,2025],[$Net working capital,,,,$],[$Cash flows,,,,,$]]$