Elrond Has Made an Investment That Will Generate Returns That

Elrond has made an investment that will generate returns that are subject to the state of the economy. Use the following information to calculate the variance of the return distribution for Elrond's investment.
State
Return
Probability
Weak
0) 10
0) 8
OK
0) 17
0) 1
Great
0) 28
0) 1

A) 0.0536
B) 0.0543
C) 0.0550
D) 0.0557