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all over-the-counter receipts are entered in cash registers. Karen Samuels (Social Security number 123-45-6789) makes the following purchases and sales of stock:Transaction Date Number of Shares Company Price per SharePurchase 1-1-2015 300 MDG $ 75Purchase 6-1-2015 150 GRU 300Purchase 11-1-2015 60 MDG 70Sale 12-3-2015 200 MDG 80Purchase 3-1-2016 120 GRU 375Sale 8-1-2016 90 GRU 330Sale 1-1-2017 150 MDG 90Sale 2-1-2017 75 GRU 500Assuming that Karen is unable to identify the particular lots that are sold with the original purchase, determine the recognized gain or loss on each type of stock:a. As of July 1, 2015.b. As of December 31, 2015.c. As of December 31, 2016.d. As of July 1, 2017. A consumer buys only two goods, X and Y, with prices of Pxand py and has an income of m. Use diagrams to indicate consumer preferences, including details of the marginal rate of substitution, in the cases where: (a) X is a Sierra Blue iPhone 13 Pro and Y is a Graphite iPhone 13 Pro. Assume that the consumer is indifferent between the two colours. (b) X is a right foot Nike Air Max Vapormax trainer and Y is a left foot Nike Air Max Vapormax trainer. (c) X is an iPad Pro and Y is a Balenciaga jacket. (d) Suppose that the consumer wins a substantial sum of money in the UK's National Lottery, how will this affect her consumption choices in each of the cases above? Illustrate the effects on your diagrams, (e) Suppose that due to supply change shortages, the price of X increases, how will this affect the consumer's choices in each of the cases above? Illustrate the effects on your diagrams. Godfred wants to invest Ghs 10000 today. He also decides to invest Ghs 500 every month. Godfred is aged 25 years. Assuming interest rates are 10%p.a, how much will he have in his account when he retires at age 65? Sam, Ama and Tina are 35, 45 and 55 years respectively. They want to adopt a similar strategy. How much will they also have when they retire a) Which of the following statements about the maximum likelihood estimator (MLE) are true? i) The MLE achieves asymptotically the Cramer-Rao lower bound under certain regularity conditions; ii) The distribution of the MLE stays unchanged by a parameter transformation; iii) The MLE is asymptotically normally distributed under certain regularity conditions; iv) None of the above are true. which of the following would violate the standard on performance reporting? What are the main objectives of private finance, withexamples? which of the following is the approximate threshold value for mammalian neurons?A. +35mVB. 0 mVC. -80mVD. -55mV Research on the impact of Covid-19 on Global Income Inequality by Deaton (2021) distinguishes between 'inequality Concept 1' and 'inequality Concept 2'. Briefly explain these two inequality concepts and discuss how the pandemic has affected them. Suppose a perfectly competitive industry can produce widgets at a constant marginal cost of $10 per unit. Monopolized marginal costs increase to $12 per unit because $2 per unit must be paid to lobbyists to retain the widget producers favored position. Suppose the market demand for widgets is given byQd = 1,000-50P a. Calculate the perfectly competitive and monopoly outputs and prices.b. Calculate the total loss of consumer surplus from monopolization of widget production.c. Graph your results and explain how they differ from the usual analysis. A single-phase 50-kVA, 2400/240-volt, 60-Hz distribution transformer has a 1-ohm equivalent leakage reactance and a 5000-ohm magnetizing reactance referred to the high-voltage side. If rated voltage is applied to the high-voltage winding, calculate the open-circuit secondary voltage. Neglect I2R and Diversification merits strong consideration whenever a single-business company O has become the low-cost provider in its current line of business and needs to move on to other challenges. O encounters worsening industry conditions that are expected to be long-lasting. O has competitively weaker resources and capabilities than the industry's market share leader. O has tried unsuccessfully to achieve a sustainable competitive advantage in its present business. O needs to increase its net profit margins and return on investment. in order to reduce agency problems, managers may be provided compensation that includes Identify the steps involved in setting up a vendor rating system. Answer the following question: Based on the soft-margin constraint (1.3) (as well as the max-margin problem (1.2)], formulate an optimization problem with the following specification: 1 - wt w T min WERd,BER 2 (1.2) s.t. yli) ((ar(:))Tw+b) > 1, i = 1,..., m. y(i) ((ze())Tw+b) > 1 - i, i > 0, i = 1, ..., M. (1.3) ) The objective is to minimize the total number of auxiliary decision variables i with i > 0 (i.e., the total number of errors). The amount of error is bounded such that 0 < &i what role should the teacher play in the classroom when using a constructivist approach? Which of the following assessments of the Roosevelt Corollary is accurate?A. It translated into an alliance with France to defend the hemisphere.B. Stipulated that private investment in Latin America and the Caribbean should not be greater than that of the United States.C. It showed the United States would not intervene in other countries local affairs.D. It showed Roosevelt was prepared to do whatever possible to prevent U.S. corporations from investing in Latin America and the Caribbean.E. It proposed the United States could function as an international police power within the Western Hemisphere. An alloy is composed of 68% copper and 32% zinc by weight. You have 17 ounces of copper. How many ounces of zinc do you need to make the alloy? In the initial face-to-face meeting, there is a tension both parties may face calledA)Reciprocal tension.B)Idiosyncratic tension.C)Sales cycle tension.D)Relationship tension.E)Incipient tension. 3. Suppose two call options on IBM stock with the same expiration of 1 year, call option As strike price is $100 and the implied volatility is 20% and call option Bs strike price is $110 and the implied volatility is 25%, thenOption A is overpriced, and B is underpricedOption A is underpriced, and B is underpricedOption A is underpriced, and B is overpriced4. Cannot be determined