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The market for Good X is depicted below. Market for Good X P S P1 PB.O PB.1 P* PS,1 PS.0 D Po Q Qo Q1 Q* Where Po = $5, PS,O = $8, PS,1 = $11, P* = $14, PB,1 = $16, PB,O = $18 P1 = $20, Q0 = 40, Q1 = 80, and Q* = 120. Suppose there is a $10 per unit transaction cost. If an intermediary enters the market and reduces the transaction cost to $5 per unit, how much did this intermediary add to consumer surplus