need help with part (c) and (d)

(a) Show the exponential smoothing forecasts using =0.1. (Round your answers to three decimal places.) Ving a a a.3 Mise a , and uving a -02 rest it Whic o 6,64 Mas in X, and ining a =0.2Ma is X i we the reaula the sume as avging Moe as ey meakin of actura (a) What are the retults it Mufe ia ubed (peyta rour moman ts two decinal places.) using a -0.1 Mars a x= end using a =02 maie is X W, ss we asuld prefer a vroedting convanced of Hinga=0.1Miis ahd using a =2.2Mst is + be we wosld prefer a amoothing constant of ioz wi fi. (c) Are the resulis the same if vos apply MNL at the measure of aceuracy? (Round your animers to fwe decimal places.) Using a =9.1 mat is Xf and using a a=0.2 MeM is X i is the results the same as applying MSE at bur measure of aceuracy (d) What are the renults if Mare is used? (Round your anbeen to two decimal places.) Ueing a=0.1 MAPE is X Fi, and using a =0.2 MAPE is X W, wo we would prefer a smoothing constain of