How can a reader trace how an author develops a central idea throughout a text? Check all that apply.

by looking for the denotative and the connotative meanings of the author’s words
by determining the central idea of each paragraph
by identifying the most important details used to support the central idea of each paragraph
by analyzing how the author uses context to convey the central idea in each paragraph
by summarizing the central idea and key details of each paragraph in a single sentence
by finding the common element among the central ideas throughout the text

one time i was sleeping on a bench outside of walgreens and someone offered me money because they thought i was homeless

explanation:

answer: dinner and a movie with your friends this saturday night.

opportunity cost refers to the benefits that a person or business misses out on when choosing one alternative over another. opportunity costs are easy to miss, but they can be important for decision-making. in this example, the alternative that the person will miss out on is the opportunity to have dinner and watch a movie with friends on saturday, as he will have no money left after buying the cd.