Let Sophia's monthly salary be Rs. $100x$
Sophia's % monthly expenditure $= (25 + 15 + 35)% = 75%$
Savings $% = 100 - 75 = 25%$
Acc to ques,
$\frac{25}{100} \times 100x = 9050$
$x = \frac{9050}{25} = 362$
Sophia's annual income = $12 * 100x$ = Rs. $1200x$
$= 1200 \times 362$ = Rs. $4,34,400$
= Rs. 4,34,400