Need help in solving this using Static Method of Forecasting.

Consider monthly demand for the ABC Corporation, as shown in Table. Forecast the monthly demand for Year 4 using the static method for forecasting.

\begin{tabular}{lrrr} Sales & Year 1 & Year 2 & Year 3 \\ \hline January & 2,000 & 3,000 & 2,000 \\ February & 3,000 & 4,000 & 5,000 \\ March & 3,000 & 3,000 & 6,000 \\ April & 5,000 & 5,000 & 3,000 \\ May & 4,000 & 5,000 & 4,000 \\ June & 6,000 & 7,000 & 6,000 \\ July & 7,000 & 3,000 & 7,000 \\ August & 6,000 & 8,000 & 10,000 \\ September & 10,000 & 12,000 & 15,000 \\ October & 12,000 & 11,000 & 15,000 \\ November & 14,000 & 16,000 & 18,000 \\ December & 8,000 & 10,000 & 8,000 \\ Total & 80,000 & 87,000 & 99,000 \end{tabular}