Explain what will happen to the equilibrium price and quantity of the good you choose if the price of the compliment or substitute good increases.

Describe what different goods or services serve as a possible substitutes or compliments for the good or service you choose.

Give at least one specific example of a good or service that is either a substitute or compliment to the good you choose.

Explain what will happen to the equilibrium price and quantity of the good you choose if the price of the compliment or substitute good increases.