The demand during periods 1, 2, 3, 4, and 5 are 8, 12, 13, 16, and 16 respectively. Find the three period weighted moving average forecast for period 6. The weights are 0.5, 0.3, and 0.2, with 0.5 being the weight for the most recent actual demand. (Provide at least one significant digit to the right of the decimal point)