Mr. Calvin Keane has a spouse and a 20-year-old dependent son. Mr. Keane’s 2020 Net Income For Tax Purposes is 109,483. For 2020, Mr. Keane’s spouse has no income and his son has a Net Income For Tax Purposes of 7,843. In 2020, Mr. Keane and his spouse have medical expenses of 6,864. His son has medical expenses of 4,494 which Mr. Keane paid. Determine Mr. Keane’s medical expenses credit for 2020.