A stock technical analyst uses smoothing methods to predict stock prices. The following table contains the monthly price information for General Mills.
Date. Price
1/30/2015 55.33
2/27/2015. 52.48
3/31/2015. 53.79
4/30/2015. 56.60
5/29/2015. 55.34
6/30/2015. 56.15
7/31/2015. 55.72
8/31/2015. 58.21
9/30/2015. 56.76
10/30/2015. 56.13
11/30/2015. 58.11
12/31/2015. 57.66
What is the predicted share price for September 30, 2015 if this technical analyst uses an exponential smoothing method with a smoothing constant of .7 and a 5-month moving average as the initial forecast share price for June 30, 2015?
A. $57.46
B. $56.39
C. $56.97
D. $57.30