31) Match each of the following elements of a time series forecast with its example. Elements: I. Trend II. Seasonal pattern III. Cyclical pattern IV. Random movement Examples: A. An earthquake breaks an oil pipeline, raising gas prices B. There is a weak increase in prices of fish during February and March C. Cereal prices rise slowly due to increasing wheat prices D. Sales are weak at the beginning of each month and strong at month's end I: D, II: c, III: A, IV: E I: c, n: D, III: B, N: A I: D, II: A, III: c, IV: E I: c, n: B, III: D, IV: A P'T'P