This article discusses various topics related to economics, including production possibility curve, price elasticity of demand, profit maximization, and the Australian banking industry. The article also provides a table and figures to support the discussion. The article is relevant to students and researchers who are interested in economics and related fields. The article mentions Desklib, an online library for study material with solved assignments, essays, dissertations, etc. The library provides access to a wide range of subjects, courses, and universities.