8.6-2. One of the largest selling items in J.C. Ward's Department re is a new model of refrigerator that is highly energy-efficient About 40 of these refrigerators are being sold per month. It takes about a week for the store to obtain more refrigerators from a wholesaler. The demand during this time has a uniform distribu- tion between 5 and 15. The administrative cost of placing each or- der is $40. For each refrigerator, the holding cost per month is $8 and the shortage cost per month is estimated to be $1. The store's inventory manager has decided to use the sto- chastic continuous-review model presented in Sec. 18.6, with a ser- vice level (measure 1) of 0.8, to determine an (R, Q) policy. (a) Solve by hand for R and Q. T (b) Use the corresponding Excel template to check your answer in part (a). (c) What will be the average number of stockouts per year with this inventory policy? 8.6-2. One of the largest selling items in J.C. Ward's Department re is a new model of refrigerator that is highly energy-efficient About 40 of these refrigerators are being sold per month. It takes about a week for the store to obtain more refrigerators from a wholesaler. The demand during this time has a uniform distribu- tion between 5 and 15. The administrative cost of placing each or- der is $40. For each refrigerator, the holding cost per month is $8 and the shortage cost per month is estimated to be $1. The store's inventory manager has decided to use the sto- chastic continuous-review model presented in Sec. 18.6, with a ser- vice level (measure 1) of 0.8, to determine an (R, Q) policy. (a) Solve by hand for R and Q. T (b) Use the corresponding Excel template to check your answer in part (a). (c) What will be the average number of stockouts per year with this inventory policy