In the past, Peter Kelle's tire dealership in Baton Rouge sold an average of 1000 radials each year. In the past 2 years, 200 and 250, respectively were sold in fall, 350 and 300 in winter, 150 and 165 in spring, and 300 and 285 in summer. With a major expansion? planned, Kelle projects sales next year to increase to1200 radials.
Based on next year's projected? sales, the demand for each season is going to be ?(enter your response as a whole number):
(make sure to use seasonal index)