This document provides an introduction to cost accounting. It defines cost as a monetary measurement of resources used for production and defines cost accounting as the process of classifying and analyzing expenditures to determine the total cost of a unit of production. The objectives of cost accounting are to ascertain costs under different situations, determine selling prices, control efficiency, and provide a basis for operating policies. Cost accounting is described as a branch of knowledge, a science, an art, and a profession. The scope of cost accounting includes cost ascertainment, accounting, control, reporting, and auditing.