Question

Demand for pen and ink is ___.
a) competitive
b) indirect
c) complementary
d) composite​

Answer 1

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c) Complementary .

Answer 2

The demand for pen and ink is complementary.

• Complementary goods are goods for which if the cost of one product rises the demand for the complementary product falls.
• Pen and ink are complementary to each other. If the prices of fuel rise the demand for cars will fall in the market.
• They have a negative cross elasticity of demand the price of a pen and the demand for ink is inversely proportional to each other.

The correct answer is complementary.