Because more than half the federal welfare budget goes for health care, almost zero U.S. residents lacked health insurance in 2006

An industry is deemed concentrated when ________

A) each firm in that industry has a small market share B) all the firms in that industry charge a price lower than the average cost of production C) most of the firms in that industry earn zero economic profits in the long run D) a few firms account for a large fraction of total sales in that industry

Wanda takes $3,000 from her savings account that pays 5 percent interest per year and uses the funds to purchase a computer for $3,000 for her business. At the end of the year the computer is worth $2,000

Wanda pays an implicit rental rate of ________ a year. A) $1,150 B) $4,000 C) $3,150 D) zero