for 2020, lydia had adjusted gross income of $60,000 and made the following charitable contributions: cash contribution to her synagogue: $ 1,500 tuition to a private school paid directly to her niece: $ 1,200 contribution to the salvation army: $ 350 cash contribution to a man begging on a freeway off ramp: $ 150 what is the maximum amount that she can deduct as a charitable contribution for 2020?