Corporate triple-A bond interest rates for 12 consecutive months are as follows. (a) Construct a time series plot. What type of pattern exists in the data? The data appear to follow a cyclical pattern. The data appear to follow a seasonal pattern. The data appear to follow a trend pattern. The data appear to follow a horizontal pattern. Does the three-month or four-month moving average provide the better forecasts based on MSE? Explain. The four-month moving average provides more accurate forecasts, because its MSE is larger than that of the three-month moving average. The four-month moving average provides more accurate forecasts, because lts MSE Is smaller than that of the three-month moving average. The three-month moving average provides more accurate forecasts, because its MSE is larger than that of the four-month moving average. The three-month moving average provides more accurate forecasts, because its MSE is smaller than that of the four-month moving average. (c) Using the more accurate approach, what is the moving average forecast for the next month? (Round your answer to two decimal places.)