​Is the most basic form of bookkeeping and is similar to a checkbook register

A) ​advantage of double-entry system over the single-entry system
B) ​characteristic of the single-entry system

Bookkeeping

The recording of financial transactions, and is part of the process of accounting in business, which involves maintaining accurate and systematic records of a company's financial transactions.

Checkbook Register

A document, often accompanying a checkbook, that allows individuals to track their deposits, withdrawals, and current balance for their bank account.

Single-entry System

A basic accounting method where entries are recorded only once, either as an expense or income, making it less intricate but less accurate than the double-entry system.