thank you for the help

Suppose the demand for Good X was given by: CID: 1 50 - 9.5P and the supply for Good X was given by: Q5: 2P - 100. The current price in the market is $120. Find the quantity of units in the shortage or surplus that results From this price. Be sure to use a negative sign (a) if it is a shortage since some units are missing from the marketplace. {Round to the nearest two decimal places if necessary}