A budget should be based on a person's square disappointed income. gross discretionary

budget should be based on a person's income.<br /><br />A budget is a financial plan that outlines an individual's or organization's expected income and expenses over a specific period. The primary basis for creating a budget is the income, which includes all the money received by an individual or organization, such as salaries, wages, investments, and other sources. By understanding their income, individuals or organizations can allocate funds for various expenses, savings, and investments accordingly.<br /><br />The other options provided are not suitable for the basis of a budget:<br /><br />- Disappointed: This is an emotional state and not a financial term.<br />- Gross: This refers to the total income before deductions, but it is not the primary basis for a budget.<br />- Discretionary: This refers to non-essential expenses that can be adjusted or eliminated, but it is not the basis for a budget.<br /><br />Therefore, the correct answer is "income."