Recent statistics show that the average annual base salary of a woman working as an editor in the region's advertising agencies is lower than the average annual base salary of a man. The average annual base salary of a woman is $75,000, that of a man $80,000. Assume wages are normally distributed, with a standard deviation of $7,000 for men and $6,500 for women.

If we consider a salary increase of 5% for the salary of a man, the impact on the expectation of the salary and its variance after increase corresponds to: