please help and shoe work this is aa 4 part question

The manager of Alaina's Garden Center must make the annual purchasing plans for rakes, gloves, and other gardening items. One of the items the company stocks is Fast-Grow, aliquid fertilizer The sales of this item are seasonal, with peaks in the spring, summer, and fall months Quarterly demand (in cases) for the past two years is as follows Quarter 1 2 3 4 Total Year 1 39 349 288 247 923 Year 2 62 483 344 277 1,166 If the expected sales for Fast-Grow are 1,283 cases for year 3, use the multiplicative seasonal method to prepare a forecast for each quarter of the year. (Round all intermediate calculations to three decimal places) The first quarter forecast is cases (Enter your response rounded to the nearest whole number)