Please help with this one!

Your company has a policy of maintaining your inventory items at such a level that orders can be filled from the warehouse 95% of the time. If any item on an order is out of stock, the entire order will be held as a back order to avoid additional shipping costs. The following represents what has been ordered over the past year. Items A,B,C,D, and E, your best selling items, have individual service levels of 98%. The rest of the items have a service level of 92%. 1. What is the actual service level that your company is providing? Show your calculations and explain the process that you used to obtain the service level. (10 points) a. If the service level is below 95%, what service levels do you recommend for the two groups of products to get it to 95% ? b. If the service level is above 95%, what service levels do you recommend for the two groups of products to lower it to 95% ? c. Explain your recommendations (10 points)