Asingle channel queuing system has an average service time of 16 minutes per customer, which is exponentially distributed. the manager is thinking of converting to a system with a constant service time of 16 minutes. the arrival rate will remain the same. the effect will be to: a. increase utilization b. decrease utilization c. increase the average waiting time d. decrease the average waiting time e. not have any effect since the service time is unchanged.

Titus manufacturing, inc. provided the following information for the year: purchases - direct materials $91,000 plant utilities and insurance 68,000 indirect materials 11,170 indirect labor 4270 direct materials used in production 99,000 direct labor 117,500 depreciation on factory plant & equipment 4000the inventory account balances as of january 1 are given below. direct materials $44,000 work-in-progress inventory 10,000 finished goods inventory 50,000what is the ending balance in the direct materials account? $135,000 $36,000 $110,170 $6000

Thomas kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. thomas's fastest-moving inventory item has a demand of 6,000 units per year. the cost of each unit is $100, and the inventory carrying cost is $10 per unit per year. the average ordering cost is $30 per order. it takes about 5 days for an order to arrive, and the demand for 1 week is 120 units. (this is a corporate operation, and the are 250 working days per year.)a) what is the eoq? b) what is the average inventory if the eoq is used? c) what is the optimal number of orders per year? d) what is the optimal number of days in between any two orders? e) what is the annual cost of ordering and holding inventory? f) what is the total annual inventory cost, including cost of the 6,000 units?

A. j. was a newly hired attorney for idle time gaming, inc. even though he reported directly to the president of the company, a. j. noticed that the president always had time to converse with the director of sales, calling on him to get a pulse on legal/regulatory issues that, as the company attorney, a. j. could have probably handled. a. j. also noted that the hr manager’s administrative assistant was the go-to person for a number of things that would make life easier at work. a. j. was recognizing the culture at idle time gaming.