may i get some help please

Time A bicycle store uses the order-up-to policy to manage their inventory of bicycles. The inventory status of the bicycles is reviewed every week. The replenishment lead time L- 2 weeks. The effective lead time L+1 = 3 weeks. Weekly demand for the bicycles Is Normal distributed with a mean of 156 bicycles per week and standard deviation of 16 bicycles per week The store set its own critical ratio at 80%. The z value for this 80% critical ratio is 0.8416. The bicycle store should hold bicycles as safety stock (Round your answer to the nearest integert Aten 1 Ho The bicycle should should set the order up-to level at bicycles. (Round your answer to the nearest integer)