A local University has had the following enrollment of students in each of the last 4 semesters. Time Period Demand 2018 Spring 4400 2018 Fall 4250 2019 Spring 4510 2019 Fall 4200 2020 Spring 4560 2020 Fall 2021 Spring 4070 4580 Identify which of the following patterns are evident in the data: trend, cycle, seasonal. Explain why you believe each pattern you identified is supported by the evidence. What is the forecast for Fall 2021using the two-period textbook naïve method? What is the forecast for Fall 2021 using a three-period (unweighted) moving average? Show your work. Which of the above two methods is more accurate, based upon a lower Mean Absolute Deviation (MAD)? A. Apply the trend method to the data above and identify the equation of the trend line. Show your work in identifying that equation. B. Using your trend equation, forecast enrollment for Spring 2021. Show your work.