I haven't done those calculations. However, being the best solar cell tech, means that FSLR would go BK, or down to just managing their Old Farms with outdated tech. The profits would be staggering from what I glanced at briefly. The prices to purchase and install would be considerably lower, making this a truly affordable personal Home option. The vastness of the possibilities, both in country, state and local applications, are,off the top-of-the-mellon, actually more than 93000% increase. Conservatively speaking, there is no question of the viability of $500. PS.
GTAT has all the potential of being a World Changing Company. Or at least, the latest and best, until we graduate as Human race and revive the Tesla Free Energy Technology. -JMO