A book trader has taken out a 13-week lease on a small unit in a shopping mall prior to it being fitted out as a new outlet by a major retailer. The trader intends to sell remaindered books, coffee table classics; selling for 3 each and childrens books selling 1 each. She has stock consisting of 2000of the former and 5000 of the later. The demand for the books per week is expected to vary as follows:

demand 3 books		probability		demand 1 books		probability
100		0.1		300		0.2
120		0.1		325		0.2
140		0.2		350		0.3
160		0.3		375		0.1
180		0.15		400		0.12
200		0.15		425		0.08

Simulate the sales and use them to estimate the total revenue over the 13 wks the shop will be open.