6. The introduction of the optimization software should be provided in the part of case study
7. The standardized citation style such as APA should be used
8. Double check should be made for Table I:
why for index 1 in the second line there is no number for the total?
why for index 10 in the second line there is no number for the Year 1 and Year 2-7?
9. There are several typos such as Absoption(it should be Absorption)
10. The paper should be extended to at least 6 pages