Hello. I am looking for the expert, who can assist me with following topics and problems, related to it. 1. Shortest-Route Problem 2. Considering Time-Cost Trade Off, crashing activity time, linear programming model for crashing, 3. Order quantity, reorder point model with probabilistic demand 4. The-when-to-order decision 5. periodic review model with probabilistic demand 6. Risk analysis 7. waiting line simulation