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