Step 1: Opening computation.
Prepare the opening Balance Sheet of the NPO. Compute:
\[
\text{Capital Fund} = \text{Assets (excluding specific funds)} - \text{External Liabilities}.
\]
Step 2: Year-end adjustment.
Closing Capital Fund \(= \text{Opening Capital Fund} + \text{Surplus} - \text{Deficit} + \text{Capitalised receipts}\) (e.g., life membership fees if capitalised, entrance fee if treated as capital).
Final Answer:
\[
\boxed{\text{Capital Fund} = \text{Assets} - \text{Liabilities (opening)}\ \text{; adjust by Surplus/Deficit thereafter}}
\]
% Quciktip