By that time Amazon also tried to cut down its expenses
Outsource some routine activity and could better concentrate better on core activity.
It revamped the layout of the warehouse make it easier to locate and sort customers
By improved inventory management, Amazon get net profit of 5 million $,after accumulate a deficit of 2.86 $ in seven years since its launch in 1995.
Prequisite coursework for students of this text would include basic optimization theory, stochastic processes, and dynamic programming. The text includes examples as well as rigorous assignment problem sets.