A player throws a dart at a target. Depending on what area of the target the dart hits, the player can get 1, 5, 10, 25, or 50 points. If the dart misses the target, the player loses 15 points. The probability of gaining/losing a certain number of points in one throw for this particular player is shown in the table. Points Probability -15 0.01 1 0.26 5 0.25 10 0.2 25 0.25 50 0.03 What is the expectation for the player's throw? Round your answer to two decimal places