The monthly salary of a person was 75,000. He used to spend on family expenses(E), Taxes(T), charity(C), and the rest were his savings, E was 60% of the income, T was 20% of E, and C was 15% of T. When his salary got raised by 40%, he maintained the percentage level of E, but T becomes 30% of E and C becomes 20% of T. The ratio of the saving of earlier to that of his present salary is:
एक का मासिक वेतन ₹50,000 था। वह परिवार के खर्च (E), कर (T), दान (C) पर खर्च करता था और बाकी उसकी बचत थी। E आय का 60% था, T, E का 20% था, और C, T का 15% था। जब उसका वेतन 40% बढ़ा, तो उसने E का प्रतिशत स्तर बनाए रखा, लेकिन T, E का 30% हो गया, और C, T का 20% हो गया। उसकी पहले की बचत तथा वर्तमान बचत में क्या अनुपात है?

Options

A. a) `337 :325`
B. b) `655 : 644`
C. c)`644 : 655`
D. d) `325 : 337`