I. Law of Variable Proportions A. What does the Law of Variable Proportions state? B. What happens when one or more factor of production is varied? II. The Production Function A. Introduction 1. What is a production function? 2. What are raw materials? B. Total Product 1. What happens to resources if there are too few workers? 2. What happens to output if there are too many workers? C. Marginal Product--What is marginal product