Calculate marginal cost

Which type of market are you in if your company, along with three other companies, controls 95 percent of the total music industry?

Any point on a country's production possibilities frontier represents a combination of two goods that an economy:

Trey morgan is an employee who is paid monthly. for the month of january of the current year, he earned a total of $4,538. the fica tax for social security is 6.2% of the first $118,500 earned each calendar year, and the fica tax rate for medicare is 1.45% of all earnings for both the employee and the employer. the amount of federal income tax withheld from his earnings was $680.70. his net pay for the month is .