RINGDOM DE LUCI ARALA 4. Determine the present worth in year 0 (PT) of the cost through year 9 at an interest rate of 10% per year xlabe vlabe itle Pr? 0 1 2 3 4 5 6 7 8 9 Actual year 15 Gada $50 $50 $ $50 =in isp G=5 + + 5. Determine the equivalent present worth in year 0 (PT) of all of the cash flows at i = 12% per year. Pra? I P -2 -12% Per Year Jo 1 2 4 5 6 7 8 9 Actual year 6 Geometrie Gradient $5000 - $30000 Increase Per Year