The salaries of three friends Sita, Gita and Mita are initially in the ratio $5: 6: 7$, respectively. In the first year, they get salary hikes of $20 \%, 25 \%$ and $20 \%$, respectively. In the second year, Sita and Mita get salary hikes of $40 \%$ and $25 \%$, respectively, and the salary of Gita becomes equal to the mean salary of the three friends. The salary hike of Gita in the second year is
- $28 \%$
- $26 \%$
- $30 \%$
- $25 \%$