15. A readY-made garments manufacturer has to process 7 items through two stages of production, viz.

cutting and sewing. The time taken by each of these items at the different stages are given in appropriate units.

(a) Find an order in which these items are to be processed so as to minimise the total processing time.

(b) Suppose a third stage of production is added, viz. ironing and packing, with processing time for these items as follows:

Find an order in which these seven items are to be processed so as to minimise the time taken to process all the items through all the three stages.

Transcribed Image Text:

Processing time Item Cutting Sewing 2 123 4 573 4 4 5 6 6 7 7 12 2 267nas 5 9 5 8