Need help adding a second layer of matrix header to group my measure calculations

[Anonymous]

Please I will need help adding a second layer of matrix header to group my measure calculations.

Origna Matrix table:

Desired Result:

Category is a colum from the table place in the Matrix Rows

Total 1, Total 2, Average 1 Average 2 are all explicit measure placed on Matrix Values

Sum Calculations and Average Calculationsare are not columns in the table, but just abstract words I will like to use for grouping..

[amitchandak]

@Anonymous , Refer if these old solutions can help

https://community.powerbi.com/t5/Desktop/grouping-measure-results/td-p/456795

https://community.powerbi.com/t5/Desktop/Matrix-Display-Values-above-Columns/td-p/256905

https://www.daxpatterns.com/dynamic-segmentation/

[Anonymous]

@amitchandak Thanks for your response, unfortunately I had seen some of them, the problems are different, so they did not help.