Discussion Forum : Chemical Engineering Plant Economics
Question -

If an amount R is paid at the end of every year for 'n' years, then the net present value of the annuity at an interest rate of i is

Options:
A .  `R [((1 + i)^n -1)/(i)]`
B .  `[ ((1 + i)^n - 1)/(i (1 + i)^n)]`
C .  `R(1 + i)^n`
D .  `R//(1 + i)^n`
Answer: Option B



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