Which of these you avoid debt by keeping your expenses below your income?
o a. a production possibilities fronter
o b. a personal budget
o c. liability insurance
o d. cost-benefit analysis

B - a personal budget

Explanation:

If a person creates a budget and knows exactly how much money they make (income) and how much money they spend (debts) they can regulat and control that their debt doesn't exceed the income.

what the first or next guy says

“the iliad” (gr: “iliás”) is an epic poem by the ancient greek poet homer, which recounts some of the significant events of the final weeks of the trojan war and the greek siege of the city of troy (which was also known as ilion, ilios or ilium in ancient times).