https://www.financesquare.in/post/swp-case-study-monthly-income-falling-market 2026-10-29 https://static.wixstatic.com/media/b89281_8856b1516e7c4715a45b299f5b9345b9~mv2.png SWP case study: steady monthly income in a falling market, 8.50% XIRR