Question 1 Report
(a) State four characteristics of igneous rocks.
(b) The table below illustrates the combined demand and supply schedule for maize.
Use it to answer the questions that follow.
| Price (₦) |
Quantity of maize demanded (kg) |
Quantity of maize supplied (kg) |
| 20 | 50 | 340 |
| 16 | 70 | 300 |
| 12 | 125 | 250 |
| 8 | 200 | 200 |
| 4 | 350 | 130 |
(i) Draw the demand and supply curves to show the equilibrium price of maize.
(ii) Determine the excess demand for maize at a unit price of ₦4.
(iii) Determine the excess supply for maize at a unit price of ₦12.
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