How to determine the number of the variant

Variant 9. Theme: Elasticity

1. 
   The table shows quantity demanded at different price level.
   

Price ($) P	Quantity demanded (units) Qd	Total Revenue ($)	Price elasticity coefficient
4,70	15		------------------
4,50	20
4,30	25
4,10	30
3,90	35
3,70	40
3,50	45

Questions:

1. 
   Calculate TR for each price and fill in the table;
   
2. 
   Calculate price elasticity coefficient for each price;
   
3. 
   Compare coefficient and TR.
   

2. 
   When the price of a CD is $ 9 per CD, 28,000 000 CDs per year are supplied. When the price is $ 11 per CD, 32,000 000 CDs per year are supplied. What is the elasticity of supply for CDs.
   

3. 
   A fall in the price of X from $12 to $ 7 causes an increases in the quantity of Y demanded from 860 to 980 units. What is the cross elasticity of demand between X and Y.
   

4. 
   A 24 percent increase in the quantity of spinach demanded results from a 8 percent decline in its price. The price elasticity of demand for spinach is _____________.
   

Variant 10. Theme: Elasticity

1. 
   The table shows quantity demanded at different price level.
   

Price ($) P	Quantity demanded (units) Qd	Total Revenue ($)	Price elasticity coefficient
0,70	34		------------------
1,00	30
1,30	26
1,60	22
1,90	18
2,10	14
2,40	10

Questions:

1. 
   Calculate TR for each price and fill in the table;
   
2. 
   Calculate price elasticity coefficient for each price;
   
3. 
   Compare coefficient and TR.
   

2. 
   When the price of a CD is $ 15 per CD, 38,000 000 CDs per year are supplied. When the price is $ 11 per CD, 31,000 000 CDs per year are supplied. What is the elasticity of supply for CDs.
   

3. 
   A fall in the price of X from $16 to $ 10 causes an increases in the quantity of Y demanded from 900 to 1 000 units. What is the cross elasticity of demand between X and Y.
   

4. 
   A 9 percent increase in the quantity of spinach demanded results from a 14 percent decline in its price. The price elasticity of demand for spinach is _____________.
   

Variant 11. Theme: Elasticity

1. 
   The table shows quantity demanded at different price level.
   

Price ($) P	Quantity demanded (units) Qd	Total Revenue ($)	Price elasticity coefficient
5,90	13		------------------
5,50	16
5,10	19
4,70	22
4,30	25
3,90	28
3,50	31

Questions:

1. 
   Calculate TR for each price and fill in the table;
   
2. 
   Calculate price elasticity coefficient for each price;
   
3. 
   Compare coefficient and TR.
   

2. 
   When the price of a CD is $ 12 per CD, 40,000 000 CDs per year are supplied. When the price is $ 17 per CD, 47,000 000 CDs per year are supplied. What is the elasticity of supply for CDs.
   

3. 
   A fall in the price of X from $14 to $ 11 causes an increases in the quantity of Y demanded from 960 to 1 450 units. What is the cross elasticity of demand between X and Y.
   

4. 
   A 18 percent increase in the quantity of spinach demanded results from a 9 percent decline in its price. The price elasticity of demand for spinach is _____________.
   

Variant 12. Theme: Elasticity

1. 
   The table shows quantity demanded at different price level.
   

Price ($) P	Quantity demanded (units) Qd	Total Revenue ($)	Price elasticity coefficient
3,50	10		------------------
3,20	12
2,90	14
2,60	16
2,30	18
2,00	20
1,70	22

Questions:

1. 
   Calculate TR for each price and fill in the table;
   
2. 
   Calculate price elasticity coefficient for each price;
   
3. 
   Compare coefficient and TR.
   

2. 
   When the price of a CD is $ 19 per CD, 33,000 000 CDs per year are supplied. When the price is $ 15 per CD, 21,000 000 CDs per year are supplied. What is the elasticity of supply for CDs.
   

3. 
   A fall in the price of X from $18 to $ 13 causes an increases in the quantity of Y demanded from 760 to 980 units. What is the cross elasticity of demand between X and Y.
   

4. 
   A 4 percent increase in the quantity of spinach demanded results from a 10 percent decline in its price. The price elasticity of demand for spinach is _____________.