I really only need the answer to the second one but the info needed to answer it is in the first question

Use the following to answer the following 5 questions. A firm sells a product with an annual demand of A=6000. The holding cost is CH=$2 per unit per year and the ordering cost is Cp=$50 per order. The shortage cost is Cs=$10 per unit. Demand exhibits some variability and management has estimated that lead-time demand follows a normal distribution with a mean of 300 and standard deviation of 40. What is the reorder point if management wants a 50% probability of satisfying demand in any given cycle? O 380 O 360 O 300 6000 What is the economic order quantity? O 6000 O 320 O 640 548 O 488