2. Problem 2(20%) Follow the instructions below, create the needed outputs, attach the outputs where required, and explain what is required. Do not attach the full R-screen. If I cannot read your output, the question will receive zero credits. Attach the required plots and tables only. When attaching tables use courier new font, size 8. Do not leave the question blank. Please start each problem on a new page. If the answer is not related to what the question asks, the question will receive zero credits. Do not share your answers or mistakes. If the instructor finds out that students have shared their answers or mistakes, the students will receive zero credits and the academic honesty policies and procedures will apply (as suggested by the Student Handbook which may be found at Handbook). 2.1 Do an STL decomposition for cementprod. Use a trend(window =7 ) and season (window = "periodic"). Attach the plot here