Explain Which Expenditure Category of GDP Changes and the Direction

Explain which expenditure category of GDP changes and the direction of the change that results for each of the following transactions:
a.A domestic business purchases a domestically produced computer to use in a business office.
b.A domestic business produces a computer that is sold to a foreign company.
c.The federal government purchases a domestically produced computer to use in a court house.
d.A domestic household purchases a domestically produced computer to use in a home.
e.A domestic household purchases a computer produced in a foreign country to use in a home.