Consider the following data:

Monthly Profit of a Gym
Month Jan-12 Feb-12 Mar-12 Apr-12 May-12 Jun-12 Jul-12 Aug-12 Sep-12
Profit ($) 5,800
5,553
5,094
4,797
5,215
5,718
6,719
6,208
5,936
Step 4 of 5 : What are the MAD, MSE and MAPE scores for the three-period weighted moving average forecast? Round any intermediate calculations, if necessary, to no less than six decimal places, and round your final answer to one decimal place.