Problem:
Mark Cotteleer owns a company that manufactures sailboats. Actual demand for Mark's sailboats during each season in 2006 through 2009 was as follows:
Season 2006 2007 2008 2009
Winter 1,400 1,280 1,000 960
Spring 1,520 1,420 1,640 1,540
Summer 1,040 2,140 2,000 1,960
Fall 640 810 690 520
Mark has forecasted that annual demand for his sailboats in 2011 will equal 5,600 sailboats.
Required:
Question 1) Based on this data and the multiplicative seasonal model, what will the demand level be for Mark's sailboats in the spring of 2011?
Solve the problem and show all work.