Concept:A local or district government presents its planned revenue and expenditure for the coming year in a financial plan called a budget.Explanation:Annual estimates show expected income and expected spending for the planning period.A budget is prepared before the period begins and serves as the government’s financial guide.A balance sheet shows assets and liabilities on a particular date.An income and expenditure account records actual income and expenses after the period.A cash book records only actual cash receipts and payments.Thus, the document used by a local or district government to present its annual estimates is a budget.Answer:B. A budget