The Whenworth Corporation is trying to choose between the following two mutually exclusive design projects:

Year	Cash Flow (I)	Cash Flow (II)
0	$84,000	$29,800
1	30,600	10,500
2	36,900	17,400
3	43,700	15,600

a-1.	If the required return is 11 percent, what is the profitability index for each project? (Do not round intermediate calculations and round your answers to 3 decimal places, e.g., 32.161.)
a-2.	If the required return is 11 percent and the company applies the profitability index decision rule, which project should the firm accept?
b-1.	If the required return is 11 percent, what is the NPV for each project? (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.)
b-2.	If the company applies the NPV decision rule, which project should it take?