Saturday, 1 December 2012

MTH601 Operations Research Assignment 2 Solution Fall December 2012

Question#1                                                                                                              
The annual demand for a component is 7500 units. The carrying cost is Rs.600/unit/year,the ordering cost is Rs.1600 per order and the shortage cost is Rs.2200/unit/year.
Data available
Demand           D         =          7500 Units/year,           650 Units/month
Carrying cost    C1        =          600/Unit /Year
Holding cost     C2        =          1600/Per Order/Year
Shortage cost   C3        =          2200/Unit/Year
Find the following;
1)      Optimal values of economic order quantity
2) Maximum inventory
3) Maximum shortage quantity
4) Cycle time
5) Inventory period

LECTURE 16
Question#2                                                                                                               
Find Percentage of cumulative Annual Usage by using ABC analysis.
Items.
Annual usage
Rank
Cumulative annual usage
% of cumulative annual usage
1
3000
1
3000
24%
2
1250
5
5400
42%
3
2400
2
7800
61%
4
960
6
9300
73%
5
2400
3
10550
83%
6
700
7
11510
91%
7
500
8
12210
96%
8
1500
4
12710
100%