Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series: Quarter Seasonal Index Q1 70.3 Q2 81.4 Q3 107 Remember that the seasonal indices should...

Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series:

Remember that the seasonal indices should average 100 so you should be able to infer the seasonal index for Q4.



Furthermore, suppose that the estimated coeffcients from a regression of the deseasonalized series on Time are given below:

What is the forecast for period 104, if period 104 is a Q4? (please round your answer to 1 decimal place