12:08 READ-ONLY- This is an older file form... 78% L Question 2 The following table shows the quarterly sales (RM'000) of Madison Factory which manufacture silicone utensils over the last 4 years. Year Quarter 1 Quarter 2 Quarter 3 Quarter 4 2015 87 161 2016 154 128 116 180 2017 178 151 133 209 2018 160 145 a. Estimate the trend values and the quarterly seasonal variations using the multiplicative model of moving average method (20 marks) b. Predict the sales of Madison Factory for the third and fourth quartiles of year 2019. C. (10 marks) Discuss the 4 components of time series. Support your answer with citations and example for each component. (20 marks) (Total: 50 marks) (Total Marks: 100 marks) END OF QUESTIONS