The following model is used for forecasting the sales of chocolate bars (in thousands) and was established using quarterly data from the quarter index t=1 at Quarter 1, 2015: T+=24.369+1.71t Assuming a multiplicative model, the seasonal indices have been calculated: Q1 0.996 Q2 0.915 Q3 0.934 Q4 1.155 Using trend and seasonality, the sales forecast for the second quarter of 2021 is thousands (provide your answer to 2 decimal places). CheckThe following table shows the actual values and forecast values calculated using a linear trend with seasonality model for a time series of quarterly price index: _ The Mean Absolute Deviation (MAD) for the forecast method is :I (please round your answer to 2 decimal places). Check