Question: Your buddy in mechanical engineering has invented a money machine. The main drawback of the machine is that it is slow. It takes one year

Your buddy in mechanical engineering has invented a money machine. The main drawback of the machine is that it is slow. It takes one year to manufacture $100. However, once built, the machine will last forever and will require no maintenance. The machine can be built immedi- ately, but it will cost $1000 to build. Your buddy wants to know if he should invest the money to construct it. If the interest rate is 9.5% per year, what should your buddy do? How would your answer to Problem 16 change if the machine takes one year to build
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