12c Websites
oracle-base.com
ORACLE-BASE - Oracle DBA and development articles, scripts, HOWTOs and forums (8i, 9i, 10g, 11g, 12c, 13c, 18c)
39,401 
$ 340,560.00
tvmcalcs.com
TVMCalcs.com provides financial calculator, time value of money, and Microsoft Excel tutorials at no cost. This site is maintained by Timothy R. Mayes, Ph.d.
150,544 $ 73,800.00