i need the MFE, MAD, MAPE

Develop a three-period moving average forecast for April 2019 through January 2020. Calculate the MFE MAD, and MAPE values for April through December 2019. Click the icon to view the time series data Develop a three-period moving average and fill-in the table below (enter your responses rounded to one decimal place). Forecast Month January 2019 Demand 122 February 77 March 119 April 81 106 May 83 92.3 June 127 94 3 July 95 97 August 109 101.6 September 85 110.3 October 93 96,3 November 89 95,6 December 93 89 The forecast for January 2020 is 91.6 (Enter your response rounded to one decimal place) The MFE is (Enter your response rounded to one decimal place and include a minus sign if necessary)