a) Use a diagram to explain the difference between an increase in demand and an increase in the quantity demanded. [4]

b) Complete the following table to find the market demand curve for cups of coffee at a company(2)

Price	Mary-Ann	Rhys	Stella	Geraint	Market Total
3	8	4	6	10
4	7	3	5	9
5	6	2	4	8
6	5	1	3	7
7	4	0	2	6

c) Complete the following table to find the market supply for cups of coffee at the company (2)

Price	Firm A	Firm B	Market Supply
3	4	6
4	6	8
5	8	10
6	10	12
7	12	14

d) Using the tables above in (b) and (c), plot the market demand and supply for coffee on the same set of axes. Label your diagram and axes clearly. [6]

e) Using the information above, calculate the demand and supply equations for this market. [4]

f) Use the equations in (e) above to solve for the equilibrium in this market. [2]