Suppose that Bob places a value of $10 on a movie ticket and that Lisa places a value of $7 on a movie ticket. In addition, suppose the price of a movie ticket is $5. Refer to Scenario 12-2. Suppose the government levies a tax of $1 on each movie ticket and that, as a result, the price of a movie ticket increases to $6.00. If Bob and Lisa both purchase a movie ticket, what is total consumer surplus for Bob and Lisa?