Marie went to the movies with her friends. she paid $12 for the ticket. if she had worked that night she would have earned $44. what was marie's opportunity cost

$56

Explanation:

Given:

Maria paid for ticket = $12

If she worked = $44 (earn)

Opportunity cost = ?

Computation of opportunity cost:

Opportunity cost = Maria paid for ticket + Sacrifice earning

Opportunity cost = $12 + $44

Opportunity cost = $56

Opportunity cost is a type of Imaginary cost that denote, what an individual or firm has to give to gets other opportunity.

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.