Solve clearly

Exponential Smoothing The following data shows the monthly sales (millions of pesos} of a product over the past periods. Ettl 24.20 21.30 13.99 12.6[II 223-0 31120 13.30 (a) Compute the forecast sale using I]. = {1.20 and o, = 0.35 respectively, (b) solve for Eli-1D, SSE} RISE: and MSE (c) Forecast the next month's (Pilaf19} sale= and (d) which forecast value is better to use in terms of MSE: explain why? (Note: express all answers using 4 decimal places}