Calculate ln S? If XLK=0.95 and XHK = 0.05 and XL= 0.90 and XH= 0.10,

1.	Calculate ln S? If XLK=0.95 and XHK = 0.05 and XL= 0.90 and XH= 0.10, then
A.	6.77
B.	5.142
C.	7.898
D.	Can t be calculated
Answer» C. 7.898

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