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NPV of an Automobile Dealer

See figure attached for the question.

I have concerns regarding the way the question is worded.

Does the company incur Revenue/O&M/Savings **at the end of the 1st year**,(i.e. immediately after the building is constructed) **or at the end of the 2nd year**?

When I read the question I thought the Revenue/O&M/Savings would all begin to occur **at the end of the 2nd year.**

Which is correct and why?

Also, attached is my work for the NPV and RORC **assuming the Revenue/O&M/Savings occur at the end of the 1st year**.

Could someone please clarify? I want to make sure I am able to extract the information from the questions correctly!

$\displaystyle \text{For Reference: }$

$\displaystyle P = \text{Present Worth}$

$\displaystyle F = \text{Future Worth}$

$\displaystyle A = \text{Annuity}$

$\displaystyle \text{Example of using the mnemomic expressions is below, }$

$\displaystyle (\frac{A}{P}, i\%,N) \equiv \text{ A constant that when multiplied with the present worth, will provide the equivalent annuity over N peroids given a discount rate of i}\%$

$\displaystyle \text{Similiarly for the other mnemomic expressions.}$

Re: NPV of an Automobile Dealer