Use the border crossings data below to calculate a 2 -month Weighted Moving Average (WMA) forecast for truck crossings and predicr the number of truck crossings for December 2016 . Use the weights of 0.7 and 0.3 for the 2 -month WMA, where the first weight is used for the most recent month and the last weight is used for the feast recent month. Round your answer to two decimal places, if necessary