With regard to the Medicare program, which of the following statements, if any, is true? Individuals who began receiving benefits from Medicare have a right to receive the Medicare benefits that existed at the time they began receiving benefits, regardless of subsequent changes in benefits under Medicare. Individuals who paid taxes for Medicare have a right to receive the Medicare benefits that existed at the time they paid those taxes, regardless of subsequent changes in benefits under Medicare. Individuals have no vested right to receive the benefits that existed when they paid taxes or became eligible. None of the above