In a P system, the lead time for a box of weed-killer is two weeks and the review period is one week. Demand during the protection interval averages 247 boxes, with a standard deviation of demand during the protection interval of 50 boxes a. What is the cycle-service level when the target inventory is set at 250 boxes? Refer to the standard normal table as needed. The cycle-service level is% (Enter your response rounded to two decimal places)