Refer to the Table Below

question 181

Short Answer

Refer to the table below. The table shows results from elemental analyses performed on a plant sample and a soil sample.These samples were dried prior to the analysis to remove all water.A scientist wants to use this information as the basis for identifying samples of unknown origin as either plant or soil material.Because running so many chemical tests can be time-consuming and expensive, she wants to limit future tests to one element.She would have the best chance of distinguishing between soil and plant material if she chose the element _______ for analysis.

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Definitions:

Profitability Index

The present value of a project’s cash inflows divided by the investment required.

Discount Rate

The interest rate used in discounted cash flow analysis to determine the present value of future cash flows.

Internal Rate

Often refers to the internal rate of return (IRR), which is a discount rate that makes the net present value (NPV) of all cash flows from a particular project equal to zero.

Net Present Value

A financial metric used to evaluate the profitability of an investment, accounting for its time value of money.