If I invest $1000 in company A, there's a 40% chance I will double my money, and a 60% chance I will lose half my money. Those are the only two possibilities. What is the expected monetary value of investing $1000 in company A? (Note: include only how much more or less money I expect to have than before, not the original $1000 itself.) Give your answer as a whole number without the dollar sign.
Answer: 100.0
Mathematics
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