A set of 5 jobs is to be processed on a single machine. The processing time (in days) is given in the table below. The holding cost for each job is Rs. K per day.
Job
|
Processing time
|
P
|
5
|
Q
|
2
|
R
|
3
|
S
|
2
|
T
|
1
|
A schedule that minimizes the total inventory cost is
1. T-S-Q-R-P
2. P-R-S-Q-T
3. T-R-S-Q-P
4. P-Q-R-S-T