Expenses a. Medical prescriptions costing $15 paid by credit card (medical expenses already exceed the AGI floor). b. Prepaid interest (not related to points) of $310 on a residential loan. c. Taxpayer borrows $600 from the bank to make a charitable contribution. The $600 is paid to the charitable organization before the end of the tax year. d. Taxpayer gives a note to his church indicating an intent to contribute $1,000. e. A calendar-year individual mails a check for $100 to his church on December 31. The check is postmarked December 31 and clears the bank on January 4