For a Three-Year Moving Average, How Many Values Will Be

Multiple Choice

For a three-year moving average, how many values will be lost at the beginning and end of the time series?

A) 0 at the start and 2 at the end
B) 3 at the start and 0 at the end
C) 1 at the start and 1 at the end
D) 0 at the start and 3 at the end
E) 2 at the start and 0 at the end