Values for each project using the time value table

Question

Problem: I need assistance in understanding the cost of capital and how to figure it. Calculate the values for each project using the time value table- the cost of capital is 12%

1. NPV
2. IRR
3. Profitability index
4. Payback Period

Year    Project A    Project B
0    $-30,000    $-60,000
1    $ 10,000    $20,000
2    $ 10,000    $20,000
3    $ 10,000    $20,000
4    $ 10,000    $20,000
5    $ 10,000    $20,000