Chemical Engineering Plant Economics
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

[((1 + i)n - 1)/i(1 + i)n]
R[((1 + i)n - 1)/i]
R/(1 + i)n
R(1 + i)n

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Chemical Engineering Plant Economics
Which of the following relationship is not correct is case of a chemical process plant?

Total product cost = direct production cost + plant overhead cost
Total product cost = manufacturing cost + general expenses
Manufacturing cost = direct product cost + fixed charges + plant overhead costs
General expenses = administrative expenses + distribution & marketing expenses

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