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2002 WAEC Economics Theory The following data relate to a closed economy of a country where all production takes...

Economics
WAEC 2002

The following data relate to a closed economy of a country where all production takes place in two firms. Use the information in the table to answer the questions that follow:

Items Firm A (in 000 Dollars) Firm B (in 000 Dollars)
Sales 200 400
Raw material 100 60
Labour costs 80 160
Depression 16 40
Profits 4 140

(a)(i) Which of the items listed above is an intermediate input?
(ii) What happens to intermediate inputs in the calculation of the national income?
(iii) Calculate the Gross Domestic Product (GDP) of the country.

(b)(i) Calculate the total amount of depreciation of the country
(ii) Calculate the Net Domestic Product of the country. 
 

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Explanation

(a)(i) The intermediate input is the raw materials.

(ii) In the calculation of the national income, the value of intermediate input is deducted from the value of sales in order to avoid double counting or the value of intermediate input is not added using the value added approach.

(iii) The Gross Domestic Product (GDP) of the country is calculated as the Value of Sales - Intermediate Input,
i.e $(200,000 + 400,000) - $(100,000 + 60, 000) = GDP $600,000 - $160,000 = $440,000)

or

Firm A: $80,000 + $16,000 + $4,000 = $100,000.
Firm B: $160,000 + $40,000 + $140,000 = $340,000
GDP = $100,000 + $340,000 = $440,000

(b)(i)The total amount of depreciation of the country can be calculated as Firm A's Depreciation + Firm B's Depreciation
$16,000 + $40,000 = $56,000.
Total Depreciation = $56,000

(ii) The net domestic product (NDP) is calculated as GDP - Depreciation i.e.,
$440,000 - $56,000 = $384,000, NDP = $384,000.
 


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