The majority of new jobs created in the service sector of the U.S. economy have been in the information sector

When 4 units of labor are employed, total product is 6 units; when 5 units of labor are employed, total product is 9 units of output. If the price of output is $5 per unit, what is the marginal revenue product of the 5th unit of labor?

A) $3 B) $5 C) $15 D) $45

Loans that are secured against an asset:

A. generally have lower interest rates. B. generally have higher interest rates. C. are much longer in length than unsecured loans. D. are much shorter in length than unsecured loans.