Find the Expected Value of an Action

Multiple Choice

Find the expected value of an action.
-A farm owner in upstate New York who grows summer vegetables (e.g. tomatoes)
Must decide whether to employ additional pickers this season. If he does, he could hire
Either migrant workers or local teenagers who need summer employment. The migrant
Workers are more experienced, faster, but more expensive. Although the teenagers will
Work for less, they lack experience and tend to damage plants and produce. His profits
Depend on the growing season as shown below. Suppose the farmer's almanac predicts
The probability of a good growing season this year to be .75. What is the expected value
Of hiring teenagers?

A) $62,500
B) $52,500
C) $46,250
D) $12,990
E) None of the above.