Which situation best describes an opportunity cost? A. An employee who earns a college degree is given a pay raise.
B. A person who buys a new laptop doesn't have money to buy new
headphones.
C. A government increases taxes on all businesses operating in the
city.
D. A business that develops a new technology is able to make a
larger profit.

Prices for products became more affordable as a result of new forms of ,witch got things to market faster and cheaper

What city was divided between communism and democracy/capitalism after world war 2

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design