Economists typically depict the ppf as a bowed out curve rather than as a straight line in order to show

Economists typically depict the PPF as a bowed-out curve rather than as a straight line in order to show that the opportunity cost of producing one good rises as more goods are produced. Those points lying beyond the production possibility frontier (PPF) represent results which cannot be attained with the current level of technology and resources.

urban company reports the following information regarding its production cost: units produced 37,000 units direct labor $ 30 per unit direct materials $ 35 per unit variable overhead $ 237,000 in total fixed overhead $ 127,000 in total