Question: Hello, could you please help me solve this? Regression analysis was used to estimate the following seasonal forecasting equation: St = 124 + 18D1 46D2

Hello, could you please help me solve this?

Regression analysis was used to estimate the following seasonal forecasting equation:

St = 124 + 18D1 46D2 28D3 + 2.5t

D1 is a dummy variable that is equal to 1 in the first quarter and zero otherwise; D2 is a dummy variable that is equal to 1 in the second quarter and zero otherwise; and D3 is a dummy variable that is equal to 901 in thethird quarter and zero otherwise. Forecast the level of sales in the second quarter of time period 10.

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