Ruth Madlala is 66 years old and retired. She and her husband are members of a registered medical scheme. She contributed R1 500 a month to the medical scheme. She also paid qualifying medical expenses of R20 000 that were not reimbursed by the medical scheme. Her taxable income was R140 000 . None of the members registered in the medical scheme has been diagnosed as a person with disability as defined by a registered medical practitioner in accordance with the criteria prescribed by the Commissioner. YOU ARE REQUIRED to calculate her additional medical expenses tax credit for the current year of assessment. Select one: a. R1 453 b. R6 660 c. R4 334 d. R8328