The graphs of the demand function and supply function for a certain product are given below Use these graphs to answer the questions P P 600 400 200 200 Demand 400 600 800 a How many units q are demanded when the price p is 50 q b How many units q are supplied when the price p is 50 9 600 400 200 Supply 200 400 c Will there be a market surplus more supplied or shortage more demanded when p 50 surplus 600 800