A list of goods is given below. For each of these, state whether the price elasticity of demand is inelastic, relatively elastic, highly elastic or highly inelastic. Give reasons to support your answer.
(a) demand for school uniform
(b) demand for refrigerators
(c) demand for electricity
(d) demand for cigar by a chain smoker
(e) demand for diesel and petrol
(f) demand for personal computers
(g) demand for precious stones and costly jewellery
(h) Salt