THE DEFINITIVE GUIDE TO FUMMEL INCOME STREAMS

Income is conventionally denoted by "Y" in economics. John Hicks made use of "I" for income, but Keynes wrote to him in 1937, "just after striving both equally, I believe it is actually easier to use Y for income and I for expenditure.Such as, if a movie would like to use a Taylor Swift track while in the history of a scene, it pays her a royalty r