The table below shows the quarterly revenue. in millions of euro, for a large German multinational company for the years 2018, 2019 and 2020
(a) calculate the trend, using a centered 4-point moving average
(B) compute the seasonal variations for the revenue
(c) if the trend for the quarter 1 of 2021 is predicted to be 350. what revenue would you predict for the company in quarter 1 of 2021
------- Q1 Q2 Q3 Q4
2018 276 388 301 325
2019 290 399 310 326
2020 298 407 315 330