Let M, L, N be the mean, median, mode of the old data set.
Here, the number of employees is .
Let the salaries of 10 employees be , where .
L is the number in the middle when the data is ordered from least to greatest.
, where .
, where , which occurs most in the given data.
Now, the salaries of 10 employees with bonus is , where .
For the new data set,
Therefore, for the new data set, both of mean, median, mode increases to $2500.
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