Sales at your microbrewery, by quarter, are shown in the table below. a. (4 pts.) Compute the seasonal index for the second quarter. Quarter 1 2 3 4 2018 1,500 2,100 2,200 1,450 3,000 2.000 1,5000 300 2019 Year 1,400 2,045 2,340 1,570 2022 Average 1,350 1,540 1,410 1,440 2,089 2,198 2,340 2,154 2,450 2,530 2,600 2,424 1,640 1,990 2,215 1,773 2020 2021 N 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2018 2019 2020 2021 2022 b. (3 pts.) The seasonal index for the fourth quarter is 0.910. Deseasonalize the demand for the fourth quarter of 2022.