The private sector approach offers the most savings per prescription.
That amount had been raised to $5 from $2 per prescription by the Legislature in the current budget.
The authors note that the average price per prescription for the elderly increased in the last two decades to $17 from $4.
Individuals with toxic treatments pay 10 percent, up to a maximum of 2.64 euros per prescription.
On all other drugs, the Government would pay whichever was lower, the actual price or the average wholesale price plus $4.50 per prescription.
Pharmacists who agree to participate in the plan have to pay the difference in drug prices, which averages about $18 per prescription.
Subscribers in the plans typically pay about $10 per prescription.
They pay up to A$34 (roughly £20) per prescription, with the state paying anything above.
Still, it does require a $2 service charge per prescription for those over 65 who normally get prescriptions free.
As a prescription-only drug, Plan B has cost from $25 to $40 per prescription.
