Visiting my Facebook page on https://www.facebook.com/infofinancejournal/ you will read on some interesting articles from Investopedia on 1) the difference between Income and revenue, an accounting approach, 2) what is variable cost and fixed cost of a business, from microeconomics, 3)how the central bank controls the money supply, M1, 4)how is the compound interest rate calculated using excel, 5) cash flow and 6) understanding the Income Statement.