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 1,400 1,280 1,040 900
spring 1,520 1,400 1,640 1,580
summer 1,040 2,100 2,040 2,000
fall 600 810 690 560
george has forecasted that annual demand for his sailboat in year 5 will equal 6500 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?

"jake’s roof repair has provided the following data concerning its costs: fixed cost per month cost per repair-hour wages and salaries $ 20,900 $ 15.00 parts and supplies $ 7.70 equipment depreciation $ 2,800 $ 0.35 truck operating expenses $ 5,720 $ 1.60 rent $ 4,690 administrative expenses $ 3,850 $ 0.50 for example, wages and salaries should be $20,900 plus $15.00 per repair-hour. the company expected to work 2,600 repair-hours in may, but actually worked 2,500 repair-hours. the company expects its sales to be $47.00 per repair-hour. required: compute the company’s activity variances for may."