The table below shows the quantity of organic coffee beans supplied (in bags) by four different regional cooperatives when the market price increases from 150to 150 to \,150to180 per sack.
| Cooperative | Quantity Supplied at $150 | Quantity Supplied at ,$180 |
|---|---|---|
| Andean Growers | 500 | 620 |
| Blue Mountain Co. | 400 | 480 |
| Café de Oriente | 300 | 390 |
| Duma Estates | 250 | 275 |
Over this price range, which cooperative has a unitary price elasticity of supply (PES)?
Café de Oriente
Andean Growers
Blue Mountain Co.
Duma Estates
256 exam-style questions on AQA A Level Economics 1.3 Price determination in a competitive market, covering 1.3.1 The determinants of the demand for goods and services, 1.3.2 Price, income and cross elasticities of demand, 1.3.3 The determinants of the supply of goods and services, 1.3.4 Price elasticity of supply, 1.3.5 The determination of equilibrium market prices, and 1.3.6 The interrelationship between markets. Each one has a worked solution and a mark scheme showing where the marks go.