We have provided the demand data for a product spanning the next $50$ months. The company aims to choose a supplier to economically source this product. Make suitable assumptions to use OM techniques discussed in this course to identify a suitable supplier. Please implement$/$provide all necessary formulas$/$calculations in Excel. Feel free to provide brief justifications and notes. You must upload an Excel file $($any other file format will be ignored, and the project will not be marked$).$ Use your inventory and supply chain skills to rank suppliers $($in terms of total cost$).$ Please mark the cells$/$columns properly for better readability. All the calculations must be performed in the Excel sheet.