please give me correct answer...

.... asap

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 72 bicycles per week and standard deviation of 16 bicycles per week. The store set its own critical ratio at 85%. The z value for this 85% critical ratio is (Keep 4 decimals in your answer.) bicycles as safety stock. (Round your answer to The bicycle store should hold the nearest integer.) The bicycle should should set the order-up-to level at bicycles. (Round your answer to the nearest integer.)