A farmer is able to grow both wheat and barley at constant production costs. The opportunity cost of 1 kilo of wheat is 1.5 kilos of barley. A kilo of wheat sells for twice the price of a kilo of barley. What should the farmer choose in order to maximise revenue?
- AConcentrate on barley production.
- BConcentrate on wheat production.
- CProduce wheat and barley in the ratio 2 : 1.
- DProduce wheat and barley in the ratio 3 : 2.