just answer c and d

Your manager is trying to determine what forecasting method to use. Based upon the following historical data, calculate the following forecast and specify what procedure you would utilize. a. Calculate the simple three-month moving average forecast for periods 4-12. (Round your answers to 3 declmal places.) b. Calculate the weighted three-month moving average for periods 412 using weights of 0.50 (for the period t1 ); 0.40 (for the period t2 ), and 0.10 (for the period t3 ). (Do not round Intermedlete caleulatlons. Round your answers to 1 declmal plece.) b. Calculate the weighted three-month moving average for perlods 4-12 using weights of 0.50 (for the perlod t1 ); 0.40 (for the perlod t2 ), and 0.10 (for the perlod t3 ). (Do not round intermediate calculations. Round your answers to 1 decimal place.) c. Calculate the single exponential smoothing forecast for perlods 212 using an Initial forecast ( FF1 of 62 and an of 0.30 . (Do not round intermedlate calculations. Round your answers to 3 decimal places.) d. Calculate the exponentlal smoothing with trend component forecast for perlods 212 using an initlal trend forecast ( T1) of 1.90 , an Initlal exponentlal smoothing forecast (Fj) of 61 , an of 0.30 , and a of 0.30 . (Do not round intermediate calculations. Round your answers to 3 decimal places.)