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 1 2 3 4
Winter 1,480 1,240 1,080 920
Spring 1,560 1,420 1,620 1,580
Summer 1,020 2,120 2,040 1,960
Fall 600 750 690 560
George has forecasted that annual demand for his sailboats in year 5 will equal 6,000 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 ___ sailboats