GF paid 18K on student loans last year, but only 2500 deductible on her taxes. I had 28k in margin interest last year, 100% deductible. US is greatly skewed t

GF paid 18K on student loans last year, but only 2500 deductible on her taxes. I had 28k in margin interest last year, 100% deductible. US is greatly skewed to the rich