Barbara Bright is the purchasing agent for West Value Company. West Valve sells industrial values and fluid control devices. One of the most popular values is the Western, which has an annual demand of 4,000 units. The cost of each value is $90, and the inventory carrying cost is estimated to be 10% of the cost of each value. Barbara has made a study of the costs involved in placing an order for any of the values that West Valve stocks and she has concluded that the average ordering cost is $25 per order. Furthermore, it take about two weeks for an order to arrive from the supplier, and during this time the demand per week for West values is approximately 80.

a) What is the EOQ?
(b) What is the ROP?

Laval produces lamps and home lighting fixtures. its most popular product is a brushed aluminum desk lamp. this lamp is made from components shaped in the fabricating department and assembled in the assembly department. information related to the 22,000 desk lamps produced annually follows. direct materials $280,000direct labor fabricating department (8,000 dlh × $24 per dlh) $192,000assembly department (16,600 dlh × $26 per dlh) $431,600machine hours fabricating department $15,200mhassembly department $20,850mhexpected overhead cost and related data for the two production departments follow. fabricating assemblydirect labor hours 150,000dlh 295,000dlhmachine hours 161,000mh 128,000mhoverhead cost $400,000 430,000required1. determine the plantwide overhead rate for laval using direct labor hours as a base.2. determine the total manufacturing cost per unit for the aluminum desk lamp using the plantwide overhead rate.3. compute departmental overhead rates based on machine hours in the fabricating department and direct labor hours in the assembly department.4. use departmental overhead rates from requirement 3 to determine the total manufacturing cost per unit for the aluminum desk lamps.