In July 2012, it cost $125 to purchase a ticket to visit the parks at Disneyland for one day. A five-day pass to the same parks cost only $290. Disneyland charges less for additional days because of:A. the real-income effect. B. diminishing marginal utility. C. the substitution effect. D. the consumer optimumE. marginal utility.

Who is not spending wisely? erika goes shopping and saves her receipts. she totals how much she spent and writes it down. mia needs to buy a new pair of shoes because she joined the soccer team. she looks at newspaper ads to find the best price. lauren has been thinking about getting a puppy for a long time. she walks by the pet store at the mall and decides to get a puppy. erin makes a purchase online using a credit card. she knows that she can pay the entire bill when it arrives.