George Kyparisis owns a company that manufactures sailboats. Actual demand for George's sailboats during each the past four seasons was as follows: Season Winter Spring Summer Fall Year 1 2 3 4 1,440 1,280 1,040 900 1,560 1,400 1,620 1,540 1,020 2,140 2,040 1,900 600 750 690 560 George has forecasted that annual demand for his sailboats in year 5 will equal 6,500 sailboats. Based on the given data and using the seasonal model, the demand level for George's sailboats in the spring of year 5 will be sailboats (enter your final answer as a whole number and round all intermediate calculations to two de mal places).