PV(1975) = $55.7million. FV(2009) = $583k. Yield = -12.55%If anyone is actually interested in calculating the return on investment, be sure to include the annual revenue stream from the project.
As a comparison, imagine if I were trying to convince an old fashioned monk who spends his day transcribing texts by hand to invest in a copier. "It only costs $100 up front," I point out, "and you can resell it for parts in twenty years for $10." With a few scribbles in the margin of some sacred text, he turns to me and says "Do I look like an idiot? That investment has a negative return!"
Note: I am not claiming the stadium was a good investment. Rather, I merely suggest that we consider the benefits before we say it is too costly.