The following table tracks the main components of working capital over the life of a four-year project Accounts receivable Inventory Accounts payable 2019 0 81,000 28,000 2020 162,00 136, eee 53,000 2021 237,000 136,000 56,000 2022 202,000 101,090 38,000 2023 B 0 Calculate net working capital and the cash inflows and outflows due to investment in working capital. (Negative answers should indicated by a minus sign.) 2019 2020 2021 2022 2023 Net working capital Cash flows