Operations management help needed, plz double check your answer and provide explanation if possible thanks.

Julie runs a small business creating handmade candles and soaps. She wants to determine a demand forecast for the next few months to decide whether to she should hire some more workers to help her business. The table below shows her sales over the past 4 periods. Use exponential smoothing with trend adjustment to forecast demand for period 4. The initial forecast for period 1 was 70 units, and the initial estimate of trend was 0. The smoothing constants are o = 0.3 and B = 0.4. Period Actual 1 80 2 65 3 70 4 92 0 83 O 78 O 71 O 67