A. plot the stock price, yen/$ exchange rate and their returns. by looking at the plots, comment on the stationarity of the series.
b. obtain the correlogram (autocorrelation function) for each of the series and comment on stationarity (or non-stationarity).
c. using augmented dickey-fuller test (adf), test whether prices have a unit root or not.
eviews instructions:
double click on the variable of interest. next click:
view-> unit root test->
use a specification with "intercept" for the unit root tests. note that in eviews you would need to click on one of the options (e. g. intercept).
r instructions: see my sample programs in module 3
d. using augmented dickey-fuller test, test whether returns of all series
have a unit root or not (use "intercept" specification).

Alpine west, inc., operates a downhill ski area near lake tahoe, california. an all-day, adult ticket can be purchased for $55. adult customers also can purchase a season pass that entitles the pass holder to ski any day during the season, which typically runs from december 1 through april 30. the season pass is nontransferable, and the $450 price is nonrefundable. alpine expects its season pass holders to use their passes equally throughout the season. the company’s fiscal year ends on december 31. on november 6, 2009, jake lawson purchased a season ticket. required: 1. when should alpine west recognize revenue from the sale of its season passes? 2. prepare the appropriate journal entries that alpine would record on november 6 and december 31. 3. what will be included in the 2009 income statement and 2009 balance sheet related to the sale of the season pass to jake lawson?