When a consumer goes to the grocery store to purchase items on her shopping list and picks up items that she did not have on her list but remembered her family needed when she saw them, which type of shopping behavior does this illustrate?

when taxes are levied on transactions, irrespective of the party they are levied on, a. the government can absorb some of the surplus, but also creates a social loss since some of the wealth creating transactions are discouraged b. the government can absorb all the producer surplus from the transactions as revenue c. the government can absorb all of the surplus (producer and consumer) d. the government can absorb all the consumer surplus from the transactions as revenue