PRISM is clearly not the whole picture. The Utah Data Center alone is much more than $20M a year and PRISM's specified purpose was using US IT infrastructure to

PRISM is clearly not the whole picture. The Utah Data Center alone is much more than $20M a year and PRISM's specified purpose was using US IT infrastructure to intercept foreign communications, which would presumably be filtered from a large data set. The bulk of the data transmission and storage costs are probably under another budget