An organization has four investment proposals with the following costs and expected cash inflows:

Expected Cash Inflows
Project	Cost	End of year 1	End of year 2	End of year 3
A	Unknown	$10,000	$10,000	$10,000
B	$20,000	5,000	10,000	15,000
C	25,000	15,000	10,000	5,000
D	30,000	20,000	Unknown	20,000

Additional information

Discount rate	Number of periods	Present value of $1 due at the end of n periods	Present value of an annuity of $1 per period for n periods
5%	1	0.9524	0.9524
5%	2	0.9070	1.8594
5%	3	0.8638	2.7232
10%	1	0.9091	0.9091
10%	2	0.8264	1.7355
10%	3	0.7513	2.4869
15%	1	0.8696	0.8696
15%	2	0.7561	1.6257
15%	3	0.6575	2.2832

a) If Project A has an internal rate of return (IRR) of 15%, then cost is?

b) If the discount rate is 10%, the net present value (NPV) of Project B is?

1. c) what is the payback period of Project C ?
2. d) If the discount rate is 5% and the discounted payback period of Project D is exactly two years, then the year two cash inflow for Project D is?
3.