Suppose it is known that the number of goods "X" demanded and offered at two different price levels is as shown in the following table: Amount Requested (Unit) Amount Offered (Unit) (IDR) 2400 120 180 2000 160 Price 150 Based on the data in the table above, determine the demand function (Qd) and the supply function (Os) of the goods "X", and determine the market equilibrium point and draw a graph of the market balance