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:
Caudal Vein
A term usually referring to a tail vein in laboratory animals, used for injections or sample collection.
Internal Iliac Vein
A vein located in the pelvis that drains blood from the lower abdomen and pelvis into the common iliac veins.
Hepatic Portal Vein
A blood vessel that carries nutrient-rich blood from the gastrointestinal tract and spleen to the liver.
Postcava
Also known as the inferior vena cava, it's a large vein that carries deoxygenated blood from the lower half of the body into the heart.
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