Price-volume formulas for variance analysis. In doing performance variance analysis, it is often necessary to determine how much of the overall variance came from a change in volume and how much from price. An example of this is in purchasing spend where the volume differs from year to year (generally growing), and the price is going down.
Inside These Walls. While there are countless grand churches in Europe, including Westminster Abbey in London and St. Peterâs Basilica in Rome, only those that serve as the seat of a bishop can technically be called cathedrals.
Don't forget to download your free printable Top 10 Tourist Attractions of Turkey map and guidebook now. 1. Hagia Sophia. Probably the most famous tourist attraction in Turkey, the Hagia Sophia is one of the best preserved ancient buildings in the world. Built in the sixth century AD by the Byzantine Emperor Justinian, the building was converted to a mosque with the Turkish conquest and today operates as a museum.