George Kyparisis owns a company that manufactures sailboats. Actual demand for George's sailboats during each of the past four seasons was as follows: Season Winter Year 2 3 4 1,480 1,200 1,000 960 Spring 1,520 1,420 1,620 1,580 Summer Fall 1,000 2,100 2,020 1,960 680 770 690 560 George has forecasted that annual demand for his sailboats in year 5 will equal 5,600 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 decimal places).