Using an actual MARR (MARRC) of 15% and an inflation rate of 8%, what is the future value of $9,640 in year 19, having today’s purchasing power? Enter the answer without the dollar sign correct to 2 decimal places, in the box below.
Real interest rate (R) should be calculated first.
R = (MARR – inflation rate) / (1 + inflation rate)
= (0.15 – 0.08) / (1 + 0.08)
= 0.07 / 1.08
= 0.06481
Future value = Present value (1 + R) ^ year
= 9,640 (1 + 0.06481) ^ 19
= 9,640 × 1.06481 ^ 19
= 9,640 × 3.29738
= 31,786.7432
Answer: 31,786.74
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