Sorting Parameter LM LY VS LM CY

[Anonymous]

HELLO I WANT TO USE PARAMETER AND HAVE LEGEND SORTED LM LY (LAST MONTH LAST YEAR) AND THEN LM CY ( LAST MONTH CURRENT YEAR) AND  DATA ON THE GRAPH BY BIGGEST QTY/AMT LM CY FIRST. EACH TIME i CHANGE AMT TO QTY SORTING ALSO CHANGES AND IT SORT BIGGEST AMT/QTY LM LY WHEN I WANT TO HAVE IT LM CY. 

[Anonymous]

https://www.dropbox.com/s/3mc955ex5zbko9y/test.pbix?dl=0