Chemical Engineering Plant Economics
Which of the following is not a mathematical method for evaluation of profitability of a chemical process plant?

Cash reserve
Payout period
Rate of return on investment
Discounted cash flow based on full life performance

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Chemical Engineering Plant Economics
Payback period

Is affected by the variation in earnings after the recovery of the investment
Is the length of time over which the earnings on a project equals the investment
All of these
And economic life of a project are the same

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