(a) Choose 1 the correct time series plot. (i) (ii) (iii) (iv) What type of pattern exists in the data? Value = Qtr1 + Qtr2 + Qtr3 (c) Compute the quarterly forecasts for the next year based on the model you developed in part (b). If required, round your answers to three decimal places. Do not round intermediate calculation. If required, round your answers to three decimal places. For subtractive or negative numbers use a minus sign even if there is a + sign before the blank (Example: -300 ). Value = Qtr1 + Qtr2 + Qtr3+ (e) Compute the quarterly forecasts for the next year based on the model you developed in part (d). Do not round your interim computations and round your final answers to three decimal places. (f) Calculate the MSE for the regression models developed in parts (b) and (d). If required, round your intermediate calculations and final answers to three decimal places