Consider the following two projects:
Alpha    -79  20   25   30   35   40   N/A N/A 15%
Beta       -80  25   25   25   25   25   25   25   15%
Project
Year   0
C/F
Year   1
C/F
Year   2
C/F
Year   3
C/F
Year   4
C/F
Year   5
C/F
Year   6
C/F
Year   7
C/F
Discount
Rate
Alpha
-79
20
25
30
35
40
N/A
N/A
15%
Beta
-80
25
25
25
25
25
25
25
15%
Which of the following statements is correct if both are mutually exclusive?

A． You should invest in project Beta since EAABeta > EAAAlpha.
B．You should invest in project Beta since NPVBeta > NPVAlpha.
C．You should invest in project Alpha since IRRAlpha > IRRBeta.
D．Your should invest in project Alpha since NPVAlpha < 0.