FAFSA: Significance of $21,300 & $43,100?

^The asset protection has been lowered over the years. See http://www.forbes.com/sites/troyonink/2015/08/10/dept-of-education-corrects-asset-protection-allowance-still-hurts-middle-class-college-aid/

For 2016-2017 FAFSA, its asset protection for the older parent age of 53 is $21,300