Hammi Group, a consumer elcetronics conglomerate, is reviewing its annuual budget in wireless technology. It is considering investments in three different technologies to develop wireless communication devices. Consider the following cash flows of the three independent projects available to the company. Assume the discount rate for all projects is 9%. Further, the company has only $118 million to invest in new projects this year. Show your work.

Year	CDMA	G4	Wi-Fi
0	$-5	$-13	$-18
1	7	10	15
2	4.5	24	31
3	2.5	18	18

A) Calculate the profitability index for each investment.

B) Calculate the NPV for each investment.