Which of the following is a 'Non-Voucher' transaction? MCQ with Answer and Explanation

Depreciation is a non-cash transaction and does not involve a source document like invoice; it's recorded via journal voucher but is not an external voucher. But the term 'non-voucher' might refer to transactions without a supporting document. Depreciation entry has no source document, so it's often a journal entry. The question is ambiguous but likely pointing to depreciation as a non-cash transaction without physical voucher. Answer A.