Calculate, interpret and try to explain where applicable in each question, why the elasticities of demand for the following examples occur: a. The government announced an introduction of excise tax from R1 to R1.50 per bottle of beer. This increase results in an overall price increase from R9 to R10.50 per bottle to consumers. The expected tax revenue from this will be R30,000. Before the tax hike, 28,000 beers were sold. b. What will happen to the total revenue of soft drink companies if the elasticity of demand for soft drinks is higher than 1 and the price of soft drinks decreases? c. The quantity demanded of a popular magazine decreases from 10,000 copies to 6,000 per month after the publisher increased the price of a copy from R25 to R40. Total revenue from sales of a prescribed textbook on economics increased from R50,000 to R60,000 when the price of the book increased from R400 to R600 per book. Explain why.

ENGR.ECONOMIC ANALYSIS
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Calculate, interpret and try to explain where applicable in each question, why the elasticities of demand for the following examples occur: a. The government announced an introduction of excise tax from R1 to R1.50 per bottle of beer. This increase results in an overall price increase from R9 to R10.50 per bottle to consumers. The expected tax revenue from this will be R30,000. Before the tax hike, 28,000 beers were sold. b. What will happen to the total revenue of soft drink companies if the elasticity of demand for soft drinks is higher than 1 and the price of soft drinks decreases? c. The quantity demanded of a popular magazine decreases from 10,000 copies to 6,000 per month after the publisher increased the price of a copy from R25 to R40. Total revenue from sales of a prescribed textbook on economics increased from R50,000 to R60,000 when the price of the book increased from R400 to R600 per book. Explain why.
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