can someone help me answer the last three question. i have computed the first two. thank you!

Your manager is trying to determine whot forecasting method to use. Based upon the following histoncal dato, calculare the following forecast and specify whot procedure you would utilize. a. Colculate the simple theet-month moving averoge forecaut for periads 4-12 Note: Round your enswers to 3 decimal places: b. Colculate the weighted three month movag averoge for peciods 412 using weights of 0.40 (for the period t12,040 for the penod T2. and 020 (foc the period t3 ) Note: Do not round intermediate calculations. Round your answers to 1 decimal ploce. Aaswer is complete and correct. 5. Colculate the single enponentiat smoothing forecant for periods 212. ving an inibial forecast of 63 end an a of 0,30 Note: Do not round intermediste calculevione. Round your answers to 3 decimal places. d. Calculate the exponential smoothing with trend component forecast for periods 212 using on innial trend forecost (T1) of 1.80 , an initial exponential smocthing forecass (F, of 62 an of 0.30 , and a of 0.40 Note: Do not round intermediate calculotions. Round your answers to 3 decimal pises. e1. Calculate the mean absciute devionon (MAD), for the forecosts made by roch technipue in periods 4-12. Note: Do not round intermediate celculetions. Round your enowers to 3 decimal ploces