$4(25).$Some data is given about a project below: Life$=3$ years Cost of Project now$=100$ Cash inflows for next $2$ years is $100$ tl every year. However, at the end of the second year he has to spend $200$ tl for the repairs. a$.(15).$WHAT IS the profitability of the Project?CALCULATE IT$.$ b$.(10).$How will he decide on the Project?