Wilma is $67$ years old and cared for her $17-$year$-$old grandson prior to his death last tax year. Wilma is filing as single this tax year but filed head of household while she cared for her grandson. Wilma$$s adjusted gross income is $$56,082$ in the current tax year and her taxable income is $$5,216.$ What is the amount, if any, of Wilma$$s senior head of household credit for the current tax year?