QUESTION 18 A product has a demand that exhibits some variability such that the lead time demand follows a normal distribution with Average demand Mur20 and a standart devation of demand during lead time Sigma-5. What is the reorder point if the firm desines at most a 2% probability of stockout on any given cycle? (choose the dosest answer to your computation Oa 10.5 units O b.30.3 units Oc 20.0 units d. 35.3 units e. none of the above.