To manage their spending, businesses, like individuals, need budgets. Budgets help managers and their employees know whether they’re on target for their growth and spending goals. Budgets are important for all types of companies: large financial institutions such as Citigroup, which suffered big financial losses after the housing bubble burst in the mid-2000s; large retailers such as Home Depot, whose profit margins are thin; profitable computer companies such as Apple, which sell high-dollar-value goods; and luxury hotels such as the Ritz-Carlton, which sell high-dollar-value services.