Please help me to do this

The following table shows the actual demand observed over the last 11 years: 1 2 6 Year Demand 8 3 4 4 10 5 117 7 11 8 12 9 9 10 11 11 7 9 Using exponential smoothing with a = 0.50 and a forecast for year 1 of 7.0, provide the forecast from periods 2 through 12 (round your responses to one decimal place). 2 3 4 7 8 9 12 Year Forecast 1 7.0 5 N 6 N 10 N 11 N Provide the forecast from periods 2 through 12 using the naive approach (enter your responses as whole numbers). Year Forecast 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 12 0