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.
The church Santa Sabina in Rome, built in 422 AD, hasn't been changed since it was built, and is still in use by the Catholic Church.ikewise, the Church of the Nativity (565 AD, Bethlehem, West Bank) is one of the oldest church buildings in the worldâtoday, it still hosts multiple church services every day. Photo: Nadav Neuhaus/Getty Images.