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a$.$ Use the simple exponential smoothing technique with $=0\mathrm{.}2$ to make a forecast for Week $53.$

Note: Do not round intermediate calculations. Round final answer to $2$ decimal places.

hat$(y{)}_{53}=$

b$.$ Use the simple exponential smoothing technique with $=0\mathrm{.}4$ to make a forecast for Week $53.$ Note: Do not round intermediate calculations. Round final answer to $2$ decimal places.

hat$(y{)}_{53}=$

c$-1.$ Report the performance measures for the techniques in parts a and b$.$

Note: Do not round intermediate calculations. Round final answers to $2$ decimal places.