Consider the following linear trend models estimated from 10 years of quarterly data with and without seasonal dummy variables d1, d2, and d3. Here, d = 1 for quarter 1, 0 otherwise; other dummy variables are defined similarly. Model 1: 37.00 + 0.46t Model 2: 37.00 +0.66t 0.47d1 -0.63d2 -0.10d3 a. Use each model to make a forecast for y for the first and the fourth quarters of the 11th year.