Refer to Scenario 10.1. How much output will Barbara produce?

Martha's Cleaning Services is a perfectly competitive firm that currently cleans 30 offices a week and charges $20 per office, which is the going market price. Martha's marginal cost is $15

What should Martha do to increase her economic profit? Clean more offices? Raise her price? Explain your answer.

Suppose there is an increase in income. This increase in income would have a direct effect on which of the following?

A) financial wealth B) housing wealth C) human wealth D) all of the above