10. Working capital (S6.1) The following table tracks the main components of working capital over the life of a four-year project.

2021 2022 2023 2024 2025 Accounts receivable 0 150,000 225,000 190,000 0 Inventory 75,000 130,000 130,000 95,000 0 Accounts payable 25,000 50,000 50,000 35,000 0 Calculate net working capital and the cash inflows and outflows due to investment in working capital.