The monthly demands between 2019 and 2021 are given. If the annual demand forecasting for 2022 is 1500. Using the seasonality index, which of the following statements is not true?
1) The seasonality index for 2022 is greater than 1
2) The seasonality index for 2022 is less than 1
3) The seasonality index for 2022 is equal to 1
4) The seasonality index for 2022 cannot be determined