Brenda Barton is age $85$ and single. During $205,$ Brenda received Social Security benefit payments of $$15,000,$ taxable dividend and interest payments of $$8,000,$ and a taxable IRA distribution of $$12,000.$ How much of Brenda's Social Security benefits will be taxed on her Form $1040$ for the year?

$\backslash$table$[[$A$,$$$15,000$