single exponentioal and exponential is wrong..can u please provide correct one

Your manager is trying to determine what forecasting method to use, Based upon the following historicat data, calculate the following forecast and specify what procedure you would utilize. e-1. Calculate the mean absolute deviation (MAD) for the forecasts made by each technique in perlods 4-12. (Do not round intermediate calculations. Round your answers to 3 decimal places.) Your manager is trying to determine what forecasting method to use, Based upon the following historicat data, calculate the following forecast and specify what procedure you would utilize. e-1. Calculate the mean absolute deviation (MAD) for the forecasts made by each technique in perlods 4-12. (Do not round intermediate calculations. Round your answers to 3 decimal places.)