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An analyst develops the following joint probability function for the returns of two companies, X and Y:
Return of Y \ Return of X | 20% | 15% | 10% |
---|---|---|---|
15% | 0.2 | 0 | 0 |
10% | 0 | 0.4 | 0 |
5% | 0 | 0 | 0.4 |
The expected returns for companies X and Y are 14% and 9%, respectively. The covariance of returns between X and Y (in percent squared) is closest to: