USE RSTUDIO TO ANSWER THE FOLLOWING PLEASE. Consider the number of pigs slaughtered in New South Wales (Install the "tsibble " and "tsibble data" package. Load the data setaus_livestock in the "tsibble data" package into a variable).

1. Produce some plots of the data in order to become familiar with it.
2. Create a training set of 486 observations, withholding a test set of 72 observations (6 years).
3. Try using various benchmark methods to forecast the training set and compare the results on the test set. Which method did best?