please make Excell and show me the formula with it. Thx.

17. Gemtronics Corporation produces electrical components for appliance and automo- tive industries. Previous daily demand for part XK202 has shown little seasonal varia- tion, but has been normally distributed with a mean of 600 per day and a standard de- viation of 100. The company works 250 days per year. A lead time of 10 days is required to schedule, wait for an available machine, and set up for a production run. The cost to initiate a production run is approximately $225, and the production rate for part XK202 is 3,000 per day. The holding cost for each unit of this product is $0.25 per year. a. Compute the optimal production quantity for this item. b. Compute a reorder level that will provide a 0.96 probability of meeting customer demand during the lead time