![Forge of empires-great buildings](https://cdn1.cdnme.se/5447227/9-3/6_64e61dfae087c31b411cc5f3.png)
Depreciation Rate (DR) - How quickly will the Great Building lose its value due to inflation or depreciation of their value.If a Great Building does not have a PAP, this is omitted and the PAP will not be counted as a category. Again, this is looking at the bonus and the amount, relative to the size and amount when you'll probably build it. Passive Praticality (PAP) - How useful the Great Building's passive bonus(es) are.If a Great Building does not have a PRP, this is omitted and the PRP will not be counted as a category.
![forge of empires-great buildings forge of empires-great buildings](https://i.pinimg.com/originals/74/b5/cd/74b5cd49af546ed9a70ad643cf7d8f7c.png)
This is looking at the bonus and the amount, relative to the size and amount when you'll probably build it.
![forge of empires-great buildings forge of empires-great buildings](https://www.player.it/wp-content/uploads/2019/07/forge-of-empires-guida-sviluppo-città-e-risorse.jpg)
Production Praticality (PRP) - How useful the Great Building's production bonus(es) are.Lighthouse of Alexandria (37.1%, AA: 185%) Oracle of Delphi (43.6%, Active Adjusted (AA): 205%)
![Forge of empires-great buildings](https://cdn1.cdnme.se/5447227/9-3/6_64e61dfae087c31b411cc5f3.png)