Corporate triple A bond interest rates for 12 consecutive months are as follows: 9.7 9.4 9.6 9.8 9.6 9.9 9.9 10.5 9.8 9.5 9.4 9.4 If required, round your answer to two decimal places. (a) Choose the correct time series plot. (i) (ii) (iii) (iv) What type of pattern exists in the data? (b) Develop three-month and four-month moving averages for this time series. If required, round your answers to two decimal places. Week Sales 3 Month Moving Average 4 Month Moving Average 1 9.7 2 9.4 3 9.6 4 9.8 5 9.6 6 9.9 7 9.9 8 10.5 9 9.8 10 9.5 11 9.4 12 9.4 3-month moving average 4-month moving average MSE Does the three-month or the four-month moving average provide the better forecasts based on MSE? Explain. (c) What is the moving average forecast for the next month?