To calculate the expected gain/loss of JKL;
(15% of -25) + (65% of 5) + (20% of 45)
= (0.15 x -25) + (0.65 x 5) + (0.20 x 45)
=- 3.75 +3.25 +9
= 8.5
Since it is positive it is a gain.
Expected gain = $8.5
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