You are given the following information on an economy:

$ Millions

Consumer's Expenditure 30,100

Gross trading profits of companies 5,400

Net Investment 13,200

Public authorities' Current expenditure on

goods and services 12,600

Exports of goods and services10,700

Value of physical increase in stocks and work

in stocks and work in progress (800)

Taxes on expenditure 7,300

Imports of goods and services 12,200

Net Property income from abroad +650

Subsidies 1300

Capital Consumption -depreciation 4,700

a. Calculate:

i. Gross National Product

ii. Gross Domestic Product at market prices

iii. Gross domestic product at factor cost

iv. National Income.