If the economy is normal, Charleston Freight stock is expected to return 15.7 percent. If the economy falls into a recession, the stock's return is projected at a negative 11.6 percent. The probability of a normal economy is 80 percent while the probability of a recession is 20 percent. What is the variance of the returns on this stock?
A. 0.010346
B. 0.011925
C. 0.013420
D. 0.013927
E. 0.014315