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