Income is conventionally denoted by "Y" in economics. John Hicks applied "I" for income, but Keynes wrote to him in 1937, "after seeking the two, I feel it can be easier to use Y for income and I for investment decision. Based on the Inside Profits Services (IRS), income is https://josuedbdcp.blogolenta.com/32260631/how-income-can-save-you-time-stress-and-money