Answer:The payback period for the nail machine will be after 3 years.
Explanation: After 1 year $90 000 will be generated by Tim according to the Accountant. Then after 2 years we can say $90 000×2 we get $180 00.
Lets's continue to 3 years, we take 3 years× $90 000 we get $270 000.
Therefore the payback is after 3 years.
Or
We can take the selling amount which $270 000 divide it by the net amount we get 3 years, to prove the answer we say : 3× $90 000 which is $270 000.
Attempt of murder or murder
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