Suppose romaine lettuce is a normal good. Suppose further incomes in the economy are rising. Everything else held constant, this will cause the romaine lettuce to .

Demand for

Increase

Explanation:

A normal good is a good whose demand increases when income rises and whose demand falls when income falls.

So if income is rising, the demand for the lettuce should increase.

I hope my answer helps you

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yes the correct answer was

b.the increased supply will create a surplus.