Please help out with this finance question. Thank you very much.

Builtrite has estimated their cost of capital is 15 % and they are considering the purchase of a machine with the following capital budget Initial Investment $62 000 RATECF Year 1 $ 38, 000 RATFCF Year 2 $ 30, 000 RATECF Year 3 $22 000 this What is the Profitability Index ( PI ) of this machine 1 10 0 05 01 17 0 1 13