Could you please use R studio to work on this question? please show the work and explanation. Thank you

1. Use the dataset household wealth (hh_budget ) to perform the following tasks or answer the questions. (12 marks) (a) Create a training set by withholding the last four years as a test set. (2 marks) (b) Fit all the appropriate benchmark methods to the training set and forecast the periods covered by the test set. (4 marks) (c) Compute the accuracy of your forecasts. Which method does best? (3 marks) (d) Do the residuals from the best method resemble white noise