Introduction to Operations Research Contactgear Sdn. Bhd. has branches located in Selangor, Pahang and Johor. Theymanufacture shelving racks for consumer use. Currently, there are 30 racks storedin Selangor, 40 in Pahang and 30 in Johor. Contactgear has just received orders of20, 20, 25 and 35 racks from Lam, Ran, San and Zen, respectively. Contactgear hassolved their problem using the Transportation Simplex Method. The following is theoptimal tableau that they have obtained.(a)(b)SelangorU₁=0Pahang42=-2JohorU3 = -2DemandV1 = 7Lam0-22020775V2 = 10Ran-310102010118V3 = 14San-3State the optimal delivery plan and cost.2010525141215V4 = 8Zen0-33535869Supply304030100Contactgear must change couriers for the Selangor - San delivery (refer c13)but they do not want to recalculate their delivery plan from scratch as thiswould incur extra costs. By performing Sensitivity Analysis, identify the rangeof optimality for C13 for which the current basis remains optimal.

The transportation model is used to calculate the minimum cost of the route by selecting different…

Answered: (a) (b) State the optimal delivery plan…

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