Explain how gross-to-net calculations are processed for material requirements planning (MRP). What specific input files would the company in the case study need to include in this process for a successful MRP? How would you use the MRP information to improve the operations as the manager of this company? B.Compare and contrastthe critical path method (CPM) and the program evaluation and review technique (PERT). What types of projects at this company would favor PERT over CPM? Why? What types of projects at this company would favor CPM over PERT? Why?C.Explain the four primary priority rules for job sequencing. In what instances at the company might each rule be most advantageous? When would each rule be most disadvantageous? Support your claims with citations from your textbook or outside sources. D.Explain the five steps of the theory of constraints(TOC) process. To what processes might the company in the case study apply TOC? Why would applying TOC to these processes beadvantageous? E.Explain the steps used to develop a forecasting system. How would these steps be specifically utilized by this company? What do you predict would be the result of implementing a forecasting system for the top-selling product line at thiscompany? F.List the major categories of supply chain riskand associated risk-reduction tactics. How could the company mitigate exposure to supply chain disruptions caused by natural disasters? G.Summarizethe following theories: just in time (JIT), Toyota Production System (TPS), and Lean. How are these concepts related? Describe the advantages and disadvantages for using each of these concepts at the company presented in the case study. H.Describe how tota