Consuemr surplus at price $25 is a. $112.5 If price increases from $25 to $30, how much will CS change? b. $62.5 If price increases from $25 to $30, how much of the change in CS is due to buyers c. 12.5 leaving the market? d. $50 If price increases from $25 to $30, how much of change in CS is due to existing buyers paying a higher price? e. 5225