I need help with this question please

Question 13 (1 point) Average Tax Rate Tax Revenue ($B) 20% $250 40 300 60 250 80 200 Refer to the table. If the current tax rate is 60 percent, supply-side economists would advocate: 1) lowering tax rates to 20 percent, or lower if possible. ( 2) lowering tax rates to 40 percent. ( 3) keeping tax rates at 60 percent. ( 4) raising tax rates to 80 percent