i just need help finding the resluting service level (fill rate) ?

Suppose management sets the reorder point to R-320 units (and Q=500 units), what is the resulting service level (hill rate)? O Cannot be determined 0875 187.50 O 0.984 198.4%) 0.951 (0.9510 0.800(BOX Use the following to answer the following 4 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-550 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? Suppose management sets the reorder point to R-320 units (and Q=500 units), what is the resulting service level (hill rate)? O Cannot be determined 0875 187.50 O 0.984 198.4%) 0.951 (0.9510 0.800(BOX Use the following to answer the following 4 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-550 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