Factory, Store, Wharehouse, Managers Formula Guides

[Boxster77]

I want to know more about what the factories and stores can do in numbers before buying them somehow. How much they can produce or supply of each product per training level. Example only...
A large factory = 10,000 beds at training 1. A Furniture store will sell 15,000 beds at level one. I am selling 7,000 beds. I know the number I am short from hitting my goal at the store and can adjust training knowing that I can make 25,000 beds at level 2 in a large factory. Then I can plan to open another store or add training to my current store knowing that at level 2 it sells 38,000 beds yearly. This is also needed for the warehouses how do I know I need a medium or large warehouse ahead of time. If I new that a medium ware house can max store and supply 75,000 beds with 3 supply units then I could decide based on what my future plans are for growth.

Some kind of Quantity Demanded chart per product based on a single city population size of a million, Example Pop=1 m average bed sells 80,000 yearly then players can do the math on the city they are going to sell the bed in. If there is a competitor selling 50,000 beds yearly for example the city size is 1 mill I know I can get some of his market and that there is also a need for 25,000-35,000 more beds and can build the right size factory (or in the product guide just have it update as the population grows)

Maybe to make this simple just add some kind of Managers Formula page and show the players what numbers they need to use that are all ready provided in the game and the formula to get these numbers above.

Like can I take the utilization percentage of a factory and times it by the number of product units being sold yearly to find out how many product units can be produced at the current training level.

This still doesn't tell me that in a city of 3.2 mill I can expect quantity demanded to be 150,000 beds on average in average economic situation. Below average 10-25% during recession and 5-10% above average in a boom.

If I have 85% of the market share and I am selling 90,000 beds can I multiply these 2 and get the city max quantity demanded remaining for current economic situation?