How to calculate the company working capital cycle? How to calculate the current working capital requirement?

2017 2018 Yearly Daily Average Average E E E E Stock of Raw Materials 60,000 72,000 66,000 Work-in-Progress 26,000 30,000 28,000 Finished Goods Stock 80,000 102,000 91,000 Debtors 190,000 240,000 215,000 Creditors 110,000 90,000 100,000 Raw Materials bought 600,000 750,000 675,000 1,849 Cost of Goods sold 800,000 830,000 815,000 2,233 Sales 1,250,000 1,280,000 1,265,000 3,465