Use the data given below to answer the following question(s). The worldwide sales of cars from 1981-1990 are shown in the table below. Given: a = 0.2 and = 0.15 Units sold Year in thousands 1981 888 1982 900 1983 1000 1984 1200 1985 1100 1986 1500 1987 1250 1988 1150 1989 1100 1990 1200 Identify the value of the mean square error using double exponential smoothing for the given set of data O 39347.41 O 11976.17 O 15235.4 O 20803.61