The following table tracks the main components of working capital over the life of a four-year project. 2022 2020 2021 164,000 239,000 204,000 137,000 137,000 102,000 53,500 57,000 38,500 Accounts receivable Inventory Accounts payable 2019 0 82,000 28,500 2023 0 0 0 Calculate net working capital and the cash inflows and outflows due to investment in working capital. (Negative answers should be indicated by a minus sign.)