Given the following information on the project's net operating working capital, the cash flow of year 1 due to investments in net operating working capital is___?
Time NOWC
0 21.37
1 30.05
2 31.61
3. 20.00
Select one:
a. 8.68
b. -8.68
c. 1.56
d. -1.56
e. 11.61