If the usury law was in effect, how much money would be lent out?

If the marginal external cost of building a children's playground equals zero, then the i. marginal private cost equals the marginal social cost. ii. marginal social cost equals zero. iii. marginal private cost equals zero

A) i only B) ii only C) iii only D) ii and iii E) i and ii

Human capital is:

A) the set of acquired skills and abilities that workers bring to the production of goods and services. B) the financial wealth the economy has available to produce goods and services. C) the ability to produce one of two goods at relatively lower cost. D) a factor of production only if it occurs naturally.