Consider the following time series data. The time series appears to be relatively stable, without trend, seasonal, or cyclical effects. If the smoothing constant is assumed to be 0.3, and setting F1 and F2 = A1, the exponential smoothing sales forecast for Period 7 is approximately ________.

Period	Actual value
Period 1	10
Period 2	11
Period 3	9
Period 4	12
Period 5	13
Period 6	11

• A.

  14.55

• B.

  11.19

• C.

  10.54

• D.

  11.28