Final answer:
The drug affected by MAC (Mandatory Allowable Cost) is a prescription drug. The Medicare Prescription Drug and Modernization Act of 2003 provides assistance programs for the elderly and disabled who commonly take prescription drugs.
Step-by-step explanation:
The drug affected by MAC (Mandatory Allowable Cost) is a prescription drug. The Medicare Prescription Drug and Modernization Act of 2003 provides assistance programs for the elderly and disabled who commonly take prescription drugs. This act includes a prescription drug discount card program that saves Social Security recipients approximately 15 to 25 percent annually on prescription drug costs.