Lenovo uses the​ ZX-81 chip in some of its laptop computers. The prices for the chip during the last 12 months were as​ follows: Month Price Per Chip Month Price Per Chip
January $1.80 July 1.80
February 1.67 August 1.83
March 1.70 September 1.70
April 1.85 October 1.65
May 1.90 November 1.70
June 1.87 December 1.75

a. Use a 2-month moving average on all the data and plot the averages and the prices.
b. Use a three-month moving average and add the three-month plot to the graph created in part (a).
c. Which is better (using the mean absolute deviation): The 2-month average or the 3-month average?
d. Compute the forecasts for each month using exponential smoothing, with an initial forecast for January of $1.80. Use α=0.1, then α=0.3, and finally α=0.5. Using MAD, which α is the best?

9. tax types: taxes are classified based on whether they are applied directly to income, called direct taxes, or to some other measurable performance characteristic of the firm, called indirect taxes. identify each of the following as a “direct tax,” an “indirect tax,” or something else: a. corporate income tax paid by a japanese subsidiary on its operating income b. royalties paid to saudi arabia for oil extracted and shipped to world markets c. interest received by a u.s. parent on bank deposits held in london d. interest received by a u.s. parent on a loan to a subsidiary in mexico e. principal repayment received by u.s. parent from belgium on a loan to a wholly owned subsidiary in belgium f. excise tax paid on cigarettes manufactured and sold within the united states g. property taxes paid on the corporate headquarters building in seattle h. a direct contribution to the international committee of the red cross for refugee relief i. deferred income tax, shown as a deduction on the u.s. parent’s consolidated income tax j. withholding taxes withheld by germany on dividends paid to a united kingdom parent corporation

Which statement best explains the relationship between points a and b? a. consumption reaches its highest point, and then supply begins to fall. b. inflation reaches its highest point, and then the economy begins to expand. c. production reaches its highest point, and then the economy begins to contract. d. unemployment reaches its highest point, and then inflation begins to decrease.

Asmartphone manufacturing company uses social media to achieve different business objectives. match each social media activity of the company to the objective it the company achieve.