Instructions: (1) Write your comments in the plain text and avoid math type symbols and figures as these will not appear. (2) Zero marks will be given to copied or irrelevant comments from web or any other source. (3) Try to confine the comments within 250-300 words Today is the bonus day for this question. I have to submit it today till night. Please answer me for this question as early as possible. I always thankful to cramster.com team for providing help, and I\'ll also thankful for providing help in this question also. Solution Limitations of Transportation Problem: One commodity ONLY: any one product supplied and demanded at multiple locations Merchandise Electricity, water Invalid for multiple commodities: (UNLESS transporting any one of the multiple commodities is completely independent of transporting any other commodity and hence can be treated by itself alone) Example: transporting product 1 and product 2 from the supply points to the demand points where the total amount (of the two products) transported on a link is subject to a capacity constraint Example: where economy of scale can be achieved by transporting the two products on the same link at a larger total volume and at a lower unit cost of transportation.