Pls solve with excel solver and show it step by step

The company hopes to maximize the profit.

The company needs to decide where to build the warehouse, and how many units of product to serve.

NOT all demand need to be fulfilled, the capacity of warehouses is limited.

Data for transshipment cost per million units from warehouses to divided markets is provided.

Data for fixed cost, capacity of warehouses, revenue for selling product and potential demand in each market division is also provided.

Warehouse-Demand: Locations Warehousing & Transportation Costs & Revenue
Costs (p/million units)	Demand Locations
Warehouse	Northeast	Midatlantic	South	Midwest	Upper Midwest	Southwest	Pacific Northwest	fixed cost	warehouse capacity
Chicago	4.5	5.0	4.6	5.5	4.8	4.1	4.9	30000	200
NYC	4.8	4.6	4.9	5.7	5.7	5.9	4.0	40000	150
LA	5.2	5.1	5.1	4.2	4.7	4.0	5.0	35000	150
Knoxville	5.2	5.9	4.3	5.9	5.7	4.1	4.7	20000	200
Atlanta	4.9	5.3	4.1	4.5	4.7	5.6	4.0	35000	100
demand	150	150	100	100	100	150	100
revenue (p/million units)	313	303	310	292	295	300.0	297.0