How much is refundable medical expense supplement for 2013?

The refundable medical expense supplement for 2013 is calculated as the lower of $1,142 and 25% of the total of non-refundable medical expense amount claimed at line 332 and disability supports deduction claimed at line 215. The available supplement is reduced by 5% of family net income in excess of $25,278. When family net income reaches $48,118, the supplement…