Use the gas prices dato set beiow to calculate a 5-month Weighied Movirg Average (WMw) forecant for the average gas prices and predict the average retail gasoline price for May 2006. Use the weichts of 0,4,03,0.1,0.1, and 0 .I far the 5 -month W.MA where the fest weight is used for the most recent month and the last weight is insed for the least recent month. Round your answer lo two decimal places, if necessary