Sharon is single, is not claimed as a dependent on anyone else's tax return, and has the following expenses: mortgage interest of$3000, charitable contributions of $500, and state and local taxes of $2170. Given this information, what amount should Sharon claimas a deduction on her tax return?O She should claim the standardized credit adjustment.She should claim a tax credit based on the mortgage interest paid rather than a deduction.O She should claim the standard deduction.O She should calculate and claim itemized deductions.