Step 1: Formula of Super Profit Method.
Goodwill = Super Profits × Number of Years' Purchase.
Step 2: Sequence of calculation.
1. Calculate Average Profit → (C).
2. Calculate Normal Profit (Capital × Normal Rate of Return) → (B).
3. Calculate Super Profit (Average Profit – Normal Profit) → (A).
4. Multiply Super Profit by Years' Purchase → (D).
Step 3: Conclusion. Correct sequence = (C), (B), (A), (D).
Final Answer: \[ \boxed{(C), (B), (A), (D)} \]