Concept:Reserves are part of the owner's capital and equity, and such accounts are maintained in the nominal ledger.
Explanation:The nominal ledger is the main ledger that records all income, expenses, assets, liabilities, capital, and reserves.
Since reserves represent accumulated profits set aside from the business, they are classified under capital and must appear in the nominal ledger.
Creditors ledger and debtors ledger are subsidiary ledgers used only for individual suppliers and customers.
The private ledger usually holds highly confidential accounts, such as the proprietor's drawings or capital, but reserves are normally not hidden there.
Therefore, among the given options, the reserves account is correctly kept in the nominal ledger.
Answer:C. nominal ledger