Operation management problems - Speech or Presentation Example

Operation Management Problems 1. What is the economic production quantity (EPQ) using the following data.Annual Demand = 50,000 unitsSet up cost per setup = $ 200.00Inventory holding cost per unit per year = $ 8.00Production per day = 50 unitsDemand per day = 20 unitsAnswer =2041 Question 9 1. What is total annual cost of inventory and set up if the batch size (Q) is 10,000 units? Use the following data. Annual Demand = 50,000 unitsSet up cost per setup = $ 200.00Inventory holding cost per unit per year = $ 8.

00Production per day = 50 unitsDemand per day = 20 unitsAnswer =25,000 Question 10 1. What is the number of set ups per year if the batch size (Q) is 5,000 units?Annual Demand = 50,000 unitsSet up cost per setup = $ 200.00Inventory holding cost per unit per year = $ 8.00Production per day = 50 unitsDemand per day = 20 unitsAnswer =10 Question 11 What is the maximum inventory level if the batch size (Q) is 10,000 units?Annual Demand = 50,000 unitsSet up cost per setup = $ 200.00Inventory holding cost per unit per year = $ 8.

00Production per day = 50 unitsDemand per day = 20 unitsAnswer =6,000 The numbers of workers required in a chase plan for a six-month planning period are given below. The cost of hiring per worker is $ 400. What is the total cost of hiring workers for the six month period? The current number of workers is 18.Period 1 2 3 4 5 6Number of Workers 20 22 21 18 21 22Answer =3,200 What is the total cost of holding inventories for the following problem? The demand data is given in the following table.

A level plan that produces 180 units per period in the regular time is being used. The inventory carrying cost per unit per period is $ 10; and the shortage cost per unit per period is $ 25. The beginning inventory is 40 units. There is no overtime production or subcontracting.Period 1 2 3 4 5 6Demand 220 200 150 160 200 190Answer =400 A company is planning for its financing needs. What is the total cost (TC) per year given an annual demand of 240,000 units, ordering cost of $45 per order, a holding cost per unit per year of $7, and a cost per unit of the item of $175?

The item is purchased in lots of 20,000 units. TC includes the yearly ordering cost, inventory holding cost and the item cost.Answer =42,070,540If annual demand is 120,000 units, the ordering cost is $25 per order and the holding cost is $11 per unit per year, what is the economic order quantity?Answer =739A production department has regular capacity for 250 units. The overtime capacity is 40% of the regular time capacity. How many units will be subcontracted in a given month if the demand in that month is 400 units?

Answer =50The EOQ is 250 units. The company decides to buy 210 units at a time instead of 250 (EOQ). This means that you are not buying EOQ. What happens to the total cost? The total cost includes annual order cost, annual inventory holding cost and the cost of the item.Answer =IncreasesSuppose annual demand is 20,000 units. The plant operates 7 days a week for 52 weeks in a year. What value of d (demand/day) will be used in the EPQ formula.Answer =55