Marginal costs rise if there are increasing returns

Describe the three major units of the Federal Reserve System and their functions.

What will be an ideal response?

Which of the following activities is most likely to be counted in GDP?

A. Gail buys paper and crayons to donate to poor children in need of school supplies. B. Fran volunteers at the local veteran's hospital twice a month. C. Stu gave $5 to a homeless man he met in the park. D. Bud works hard five hours each week to make sure that his lawn always looks nice.