George Kyparisis owns a company that manufactures sailboats. Actual demand for George's sailboats during each of the past four seasons was as follows: Year Season 1 2 3 4 Winter 1 comma 480 1 comma 200 1 comma 000 920 Spring 1 comma 560 1 comma 440 1 comma 640 1 comma 540 Summer 1 comma 020 2 comma 100 2 comma 020 1 comma 960 Fall 640 770 690 500 George has forecasted that annual demand for his sailboats in year 5 will equal 6 comma 000 sailboats. Part 2 Based on the given data and using the seasonal model, the demand level for George's sailboats