Change the following phrases using adjective economic or economical:

1.A practical wife. 2. Problems of economy. 3. A crisis in the field of economy. 4.To be careful in the spending of money. 5. Reforms in the field of economy. 6. A law regulating the sphere of economics. 7. A plan of the industrial development of the country. 8. A small car that doesn`t use too much fuel. 9. Gegraphy that studies the location of industries, markets and transport.