I'm being challenged, kindly assist.

4.3. Suppose that the income elasticities of demand have been estimated as follows: Television sets: 1.3 Comed beef: 0.4 Exclusive restaurant dinners: 2.5 Retreaded tyres: -0.8 . Second-hand clothing: -1.5 4.3.1. If economic activity is expanding, which of the five (5) industries above are likely to display the most rapid growth in the demand for their goods and services? Substantiate your answer. 4.3.2. On the other hand if the economy is contracting with the result that average income falls, which of the five (5) industries above are likely to experience a decrease in the demand for their products or services, and which industries are likely to experience an increase in the demand for their products or services? Explain your answer nd