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 $300.
?However, once? built, the machine will last forever and will require no maintenance. The machine can be built? immediately, but it will cost $3,000 to build. Your buddy wants to know if he should invest the money to construct it. If the interest rate is 14.00% per? year, what should your buddy? do?