David saves money from his teaching job to buy a new boat when he retires in 20 years. the boat will cost $30,000. he has $12,000 in his simple interest savings account. to reach his goal by retirement, david should

Identify whether each of the following statements best illustrates the concept of consumer surplus, producer surplus, or neither. statement consumer surplus producer surplus neither a local store was having a sale on textbooks, so i bought a used textbook for my brother. i sold a watch for $61, even though i was willing to go as low as $55 in order to sell it. even though i was willing to pay up to $116 for a used laptop, i bought a used laptop for only $110.