Read the referenced article that fully describes the management

science study summarized in the application vignette

presented in Section $6\mathrm{.}1.$ Briefly describe how the model for a

special type of minimum$-$cost flow problem was applied in this

study. Then list the various financial and nonfinancial benefits

that resulted from this study.Formulate a network model for this problem as a

minimum$-$cost flow problem by drawing a network

similar to Figure $6\mathrm{.}3.$

b$.$ Formulate and solve a spreadsheet model for this

problem.