pls provide excel solution asap. will upvote immediately, thank you!

The company's sales history (in thousands of units) is shown in the table below. Use exponential smoothing with trend adjustment, to forecast demand for period 6. The initial forecast for period 1 was 11 units; the initial estimate of trend was 0. The smoothing constants are alpha = .3 and beta = .3. What is the FIT for Period 2? Period Actual 1 12 2 15 3 16 4 4 16 5 18 6 20 12.45 12.21 O 11.39 11.06 O 10.81