An associate professor of physics gets a $200 a month raise. She figures that with her new monthly salary she can buy more goods and services than she could buy last year. a. Her real and nominal salary have risen.
b. Her real and nominal salary have fallen.
c. Her real salary has risen and her nominal salary has fallen.
d. Her real salary has fallen and her nominal salary has risen.

a. Her real and nominal salary have risen

Explanation:

Her nominal salary is the amount she earns. the $200 increase is an increase in her nominal salary.

Her real salary is calculated in the amount of goods and service she can purchase given her income. Since with the $200, she can buy more goods and services, her real salary has also increased.

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.

answer; break-even analysis;