You are using the moving-average forecasting method based on the last four observations. When making the forecast

Question:

You are using the moving-average forecasting method based on the last four observations. When making the forecast for the last period, the oldest of the four observations was 1,945 and the forecast was 2,083. The true value for the last period then turned out to be 1,977. What is your new forecast for the next period?