Question: Recently, the city of London was looking for a site on which to build a new airport. One location would have involved demolishing the 12th-century Church of St. Michael's. Suppose this edifice had been built for the equivalent of $240 and had increased 5 percent per year in value. What would be the worth today, 900 years later? Recently, the city of London was looking for a site on which to build a new airport. One location would have involved demolishing the 12th-century Church of St. Michael's. Suppose this edifice had been built for the equivalent of $240 and had increased 5 percent per year in value. What would be the worth today, 900 years later?