A company wants to forecast demand using the simple moving average. If the company uses three prior yearly sales values (i.e., year 2011 = 130, year 2012 = 110, and year 2013 = 160), which of the following is the simple moving average forecast for year 2014?
A. 100.5
B. 122.5
C. 133.3
D. 135.6
E. 139.3