I need the answer, please

Company E discloses the following information: Inventories = 800,000 Cost of sales = 4,500,000 Net assets = 3,000,000 Company Es days' inventories is O A Between 30 and 39.9 days B. Between 90 and 99.9 days C. Between 40 and 49.9 days D. Between 60 und 69.9 days