9. One day Barry the Barber, Inc., collects $400 for haircuts.

Over this day, his equipment depreciates in value by

$50. Of the remaining $350, Barry sends $30 to the government in sales taxes, takes home $220 in wages, and retains $100 in his business to add new equipment in the future. From the $220 that Barry takes home, he pays $70 in income taxes. Based on this information, compute Barry’s contribution to the following measures of income:

a. gross domestic product

b. net national product

c. national income

d. personal income

e. disposable personal income