Cost of launch complex 39, as of November 1964. Authorizations (by Act of Congress) are on the left line. NASA obligations (contracts, purchase orders, etc.) are on the right, with the latter half being predicted.
SOURCE: NASA SP-4204 Moonport: A History of Apollo Launch Facilities and Operations (Washington, D.C.: , 1978). By Charles D. Benson and William Barnaby Faherty.