George Kyparisis owns a company that manufactures sailboats. Actual demand for George's sailboats during each of the past four seasons was as followed winter 1480,1200,1080,900 spring 1520,1420,1600,1580 summer 1040,2100,2040,1960 fall 680,770,650,500 George has forecasted that annual demand fo his sailboats in year 5 will equal 5600 sailboats based on the given data and using the multiplicative seasonal moel, the demand level for georges sailboats in the spring of year 5 will be ? t Year Season Demand 1 1 Winter 1480 2 Spring 1520 3 Summer 1040 4 Fall 680 5 2 Winter 1200 6 Spring 1420 7 Summer 2100 8 Fall 770 9 3 Winter 1080 10 Spring 1600 11 Summer 2040 12 Fall 650 13 4 Winter 900 14 Spring 1580 15 Summer 1960 16 Fall 500 17 5 Winter 18 Spring