[C13] = Evaluate("=DATEDIF(TODAY()-1,DATE(YEAR(TODAY())+SUM(F9:F12),MONTH(TODAY())+SUM(G9:G12),DAY(TODAY())+SUM(H9:H12)),""y"")") [D13] = Evaluate("=DATEDIF(TODAY()-1,DATE(YEAR(TODAY())+SUM(F9:F12),MONTH(TODAY())+SUM(G9:G12),DAY(TODAY())+SUM(H9:H12)),""ym"")") [E13] =...