dear professors can you help my operation management question?

L. 1829 Clear my choice Acompany sels toys for kinder gardens that cost $100. The holding cost rate, annual demand, the order cost, the lead time, and standard deviation of desly demand information is given below. The service level info and the number of workdays in a year to also given. What should be the reorder point 100 Price Holding cost rate Demand (year) Order costs/year) Lead time days) Standart deviation of daily demand Work days in year Service level (90%). 0,2 12000 50 10 5 300 Select one O 0.228 b. 150 d. 486 100