Name Calculations For this problem set, please do both calculation sheets and both essay sheets. Show all work for full credit. Rob is considering purchasing a new CNC machine for his shop. His current equipment is outdated, and he estimates that this purchase would net him $65,000 in the next 5 years [for simplicity of calculation, assume he gets this all at the end of the 5 years]. The price for one of these machines is $46,000. Interest rates in this economy are currently stable at 6%. a) What is the present value of the $65000 that Rob expects to get in 5 years? b) What are the two numbers Rob will compare when deciding whether or not to make this purchase? Does he buy the CNC machine? c) Just before Rob makes his decision, he finds out that interest rates have changed to 6.5%. Now what is the present value of the $65000 ? d) Does Rob buy the CNC Machine