The following are 10 technical accounting terms.

Net present value	Capital budgeting	Incremental analysis
Discount rate	Payback period	Present value
Sunk cost	Salvage value	Return on average investment
Capital budget audit

Each of the following statements may (or may not) describe one of these technical terms. For each statement, indicate the accounting term described, or answer None if the statement does not correctly describe any of the terms.

a.	The examination of differences among revenue, costs, and cash flows under alternative courses of action.	Incremental analysis
b.	A cost incurred in the past that cannot be changed as a result of future actions.	Sunk cost
c.	The process of planning and evaluating proposals for investments in plant assets.	Capital budgeting
d.	The average annual net income from an investment expressed as a percentage of the average amount invested.	Return on average investment
e.	The length of time necessary to recover the entire cost of an investment from resulting annual net cash flows.	Payback period
f.	The present value of an investments expected future cash flows.	???
g.	The amount of money today that is considered equivalent to the cash flows expected to take place in the future.	Present value
h.	The required rate of return used by an investor to discount future cash flows to their present value.	Discount rate
i.	Often an investments final cash flows to be considered in discounted cash flow analysis.	Salvage value

I only need the answer for letter F. (Net present value is not the correct answer).