4. The following table tracks the main components of working capital for a single project that starts in 2016 and has a life of 4 years: 2016 2017 2018 201 9 2020 lnventori 75,000 1 30,000 1 30,000 95,000 0 Calculate the cash flows due to investment in working capital. Investments are cash outflows and should be indicated by a minus sign. 2016: 100,000; 2017: 330,000; 2018: 405,000; 2019: 320,000; 2020: 0 2016: 50,000; 2017: 180,000; 2018: 75,000; 2019: 55,000; 2020: 250,000 2016: 75,000; 2017: 130,000; 2018: 130,000; 2019: 95,000; 202010 2016: 50,000; 2017: 230,000; 2018: 305,000; 2019: 250,000; 2020: 0 9-9pm