Determine the schedules that result for each of the four sequencing rules FCFS,and CR.In each case,compute the mean flow time,average tardiness,and number of tardy jobs. 6.(20%)The home appliance department of a large department store is using lot size-reorder point system to control the replenishment of a particular model of FM table radio.The store sells an average of 10 radios each week.Weekly demand follows a normal distribution with variance 26.You may assume that there are 52 weeks in a year. The store pays $20 for each radio,which it sells for $75.Fixed costs of replenishment amount to $28.The accounting department recommends a 20 percent interest rate for the cost of capital.Storage costs amount to 3 percent and breakage to 2 percent of the value of each item. If a customer demands the radio when it is out of stock,the customer will generally go elsewhere.Loss-of goodwill costs are estimated to be about $25 per radio. A卷总6页第4页姓名A 卷 总 6 页 第 4 页 姓名 Determine the schedules that result for each of the four sequencing rules FCFS, and CR. In each case, compute the mean flow time, average tardiness, and number of tardy jobs. 6. (20%) The home appliance department of a large department store is using lot size-reorder point system to control the replenishment of a particular model of FM table radio. The store sells an average of 10 radios each week. Weekly demand follows a normal distribution with variance 26. You may assume that there are 52 weeks in a year. The store pays $20 for each radio, which it sells for $75. Fixed costs of replenishment amount to $28. The accounting department recommends a 20 percent interest rate for the cost of capital. Storage costs amount to 3 percent and breakage to 2 percent of the value of each item. If a customer demands the radio when it is out of stock, the customer will generally go elsewhere. Loss-of goodwill costs are estimated to be about $25 per radio