X 12. Refer to the graph if the consumer's budget line in now the blue one and is going to consume the amount at the point tangent to the orange curve, what type of goods are X and Y? a. X=normal good, Y=inferior good b. Both are inferior goods c. Both are normal goods d. X-inferior good, Y=normal good

Nile.com, the online bookseller, wants to increase its total revenue. One strategy is to offer a 10% discount on every book it sells. Nile.com knows that its customers can be divided into two distinct groups according to their likely responses to the discount. The accompanying table shows how the two groups respond to the discount. Group A Group B(sales per week) (sales per week) Volume of sales beforethe 10% discount 1.55 million 1.50 million Volume of sales afterthe 10% discount 1.65 million 1.70 million A. Using the midpoint method, calculate the price elasticities of demand for group A and group B. B. Explain how the discount will affect total revenue from each group. C. Suppose Nile.com knows which group each customer belongs to when he or she logs on and can choose whether or not to offer the 10% discount. If Nile.com wants to increase its total revenue, should discounts be offered to group A or to group B, to neither group, or to both groups?

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MOER The table below shows how supply and demand Price ($/gal) Demand (million of gal.) 1 1.2 790 700 1.4 640 1.6 580 1.95 497 2.2 450 2.4 430 2.6 420 2.8 390 3 360 Note: there is some randomization in the above data to account for price fluctuations. Make sure to check that you input the correct data in your device. Perform the following work • Assume that Supply has a quadratic relationship with the price. Find this relationship (the help buttons contain an article to compute trend-lines in Excel): -21.935p² + 207.365p+339.085 Round your answer to 3 decimal places S(p) ● D(p): = 1.53 • Assume that the Demand has a quadratic relationship with the price. Find this relationship (the help button links to an article to compute trend-lines in Excel): 85.561p² - 543.789p + 1236.729 Round your answer to 3 decimal places Video Solve | Sn... of gasoliine vary depending on the price: Supply (million of gal.) 511 550 600 641 660 680 700 720 735 786 605 - • Use the trendlines to find the price…

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4, 5, 6, 8, and 10 units of output. Calculate the total revenue for each of these production levels. Then, on the following graph, use the green points (triangle symbol) to plot the results. TOTAL REVENUE (Dollars) 500 450 400 300 250 200 150 100 ༔ ཧྭ ༔ ༔ ༔་༔་༔༞༄ 8 50 0 A 0 1 2 3 4 5 6 7 8 9 10 QUANTITY (Number of units) Total Revenue ? Calculate the total revenue if the firm produces 2 versus 1 units. Then, calculate the marginal revenue of the second unit produced. The marginal revenue of the second unit produced is $