Quarterly demand fora product includes both a trend and seasonality. The trend portion of deseasonalized demand is forecast based on a lineartrend, 5:1: 50 + 4t. while the quarterly seasonal relatives are Q1 :12, 02 :1.1, 03 : 0.95 and Q4 : 0.75. What is the forecast demand for t: 11 and t: 12 given that these periods are third and fourth quarters in the time series? Multiple Choice 0 94 and 98 89.3 and 70.5 0 93.1 and 73.5 89.3 and 73.5