Excel's Solver tool has been used in the spreadsheet below to solve a linear programming problem with a minimization objective function and all > constraints. 
a.Give the original linear programming problem.
b.Give the complete optimal solution.
Definitions:
Vendors List
A list in accounting or business software that contains details about suppliers and vendors from whom a company purchases goods or services.
Suppliers
Businesses or individuals that provide goods or services to companies, typically as part of the supply chain.
Addresses
A collection of information detailing the location of an individual or organization, typically including elements such as street name, number, city, and postal code.
Enter Bills
The process of recording invoices received from suppliers into the accounting system.
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