Answer:
B
D
C
Step-by-step explanation:
There you go, have a good day
$70,750
The expected gain/loss is found by <em>adding the products of all of the profits/losses by their probability</em>. So,
<em>(0.8 * 100000) + (0.1 * 0) + (0.1 * -2500)</em> =
<em>80000 + 0 + -250</em> =
$70750
The solution is in the attachment
