QUESTION
(a) Explain the law of demand and the factors affecting demand.
(b) Explain and illustrate how demand of a commodity will change if there is a tax on that product.
(c) Explain the term Price Elasticity of Demand, how it is calculated and give an example of price elasticity and inelasticity.
(d) Distinguish between a firm's fixed cost and variable cost and give an example of each.