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 280 1 comma 040 900 Spring 1 comma 500 1 comma 400 1 comma 620 1 comma 500 Summer 1 comma 020 2 comma 120 2 comma 000 2 comma 000 Fall 640 810 670 560 George has forecasted that annual demand for his sailboats in year 5 will equal 6 comma 000 sailboats. Based on the given data and using the multiplicative seasonal​ model, the demand level for​ George's sailboats in the spring of year 5 will be nothing sailboats ​(enter a whole ​number).