There are 2 places to find this information. Click on the building and it will tell you the amount per hour and the amount per day. This will include any bonuses and scrolls you have running.
The other place is in the manual (go to settings -> support -> manual) and look under the buildings list. This will also give you basic building cost and time as well as the basic output. Of course, cost, time and output will depend on your artifacts and bonuses, so clicking the building in your city will be more accurate.