Cassy reports a gross tax liability of $1,100. She also claims $500 of nonrefundable personal credits, $750 of refundable personal credits, and $300 of business credits. What is Cassy's tax refund or tax liability due after applying the credits? Note: Round your answer to the nearest whole dollar amount.

Multiple Choice

$1,100 taxes payable

$0 refund or taxes payable

$750 refund

$450 refund