I need help with solving for profitability index and NPV. Thanks.

Hanmi 11.":urouplI a con5umer electronics conglomerate, is reviewing its annual budget in wireless technology. It is Considering investments in three different technologies to develop wireless communication devices. Consider the following cash ows of the three independent projects available to the company. Assume the discount rate for all projects is to percent FurtherI the company has only $22 million to invest in new projects this year. Cash Flows [in $ millions] Year CDMA G4 Wi-Fi CI $ T $ 15 $22 1 12 12 15 2 9.5 25 35 3 4.5 22 22 a. Calculate the protability index for each investment {Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.15.} b. Calculate the \"PHI for each investment {Do not round intermediate calculations and enter your answer in dollars, not millionsI rounded to 1 decimal places, e.g., 123455135}