Product A is comprised of 1 unit of X and 2 units of Y. X is made of 1 unit of M and 2 units of N. Y is made of 2 units of K and 3 units of L. A customer has ordered 500 units of A to be delivered in week 9. Lead times, on hand units and specific lot size requirements are as shown in the table below:
|
Item
|
Lead time
(weeks)
|
On hand units
|
Lot size requirement
|
|
A
|
1
|
100
|
|
|
X
|
2
|
250
|
200
|
|
Y
|
3
|
500
|
400
|
|
M
|
2
|
|
500
|
|
N
|
3
|
100
|
|
|
K
|
2
|
|
|
|
L
|
1
|
|
|
(i) Draw the product tree for product A showing all its components, input quantities and lead times.
(ii) Draw the time-phased diagram
(iii) Develop planning schedules for each item showing how much should be ordered and in what quantities.