Engineering company consider to buy a new machine which requires initial investment of 15,0008. Usage of machine is expected to produce first year 7,000$, second year 7,5008, and the last year 8,0008 revenue in future dollars. Machine has no salvage value. Under the MARR 10% and inflation rate 5%; (a) Calculate the inflation adjusted MARR (Market iflation). (b) Calculate the PW of this investment and determine whether to invest this machine UE BUL