Concept: The bank balance is the remaining amount after subtracting the other listed assets from the total assets in the statement of affairs.Explanation:First, find the total of the other asset values: 4,000+20,500+40,000=64,500.Then, deduct this total from the overall assets of ₦78,650.Therefore, bank balance =78,650−64,500=14,150.Answer:₦14,150 (Option A).