1. Which of the following are final goods or services and which are intermediate goods or services?

(a) timber sold to a family to be used in repairing their back deck.

(b) a tonne of fertiliser sold to and to be used by a farmer for his sugar cane crop to ready it for market.

(c) household cleaning purchased by a family from a domestic cleaning services company.

(d) a sheet of glass sold to a windscreen maker to be used to make truck windscreens.

2. An economy produces final goods and services with a market value of $1600 billion in a given year, but only $1580 billion worth of goods and services is sold to domestic or foreign buyers. Is this nation's GDP $1600 billion or $1580 billion? Explain your answer.