X and Y are partners in the firm. Their profit sharing ratio is 2 : 3. Rs. 10,000 goodwill is appearing in the books. Z becomes new partner in the firm for $${\frac{1}{5}^{{\text{th}}}}$$ share. His share of goodwill is calculated as Rs. 15,000. Amount of goodwill credited to old partners capital account will be

A. Rs. 50,000

B. Rs. 40,000

C. Rs. 75,000

D. Rs. 65,000

Answer: Option D