Ключевые слова: 1040, accountant, accounting, american, annual, april, background, balance, budget, business, calculate, calculator, concept, deadline, debt, document, dollar, earning, economy, federal, file, fill, finance, financial, form, government, income, individual, investment, law, money, number, office, paper, paperwork, pay, payment, pen, plan, profit, refund, return, revenue, saving, season, service, tax, taxation, time, usa,