One of the hot sellers for the Wonka Toy store is the Chocolate Factory Board Game. The store uses a periodic review inventory system. The review period for the board game is 1 month, while the lead time to obtain the board game is 1 week. The demand for the board game is normally distributed with a mean of 800/month and a standard deviation of 20/week. If the store uses a target inventory of 1055, what service level is being achieved? (Assume there are 4 weeks in a month).