Use the following time-series data to answer the given questions.

a. Develop forecasts for periods 5 through 10 using 4-month moving averages.b. Develop forecasts for periods 5 through 10 using 4-month weighted moving averages. Weight the most recent month by a factor of 4, the previous month by 2, and the other months by 1.c. Compute the errors of the forecasts in parts (a) and (b) and observe the differences in the errors forecast by the two different techniques.

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Time Period 12345 1 2 4 5 Value 27 31 58 63 59 Time Period 6 7 8 9 10 Value 66 71 86 101 97