how would the government most likely respond to a decrease in consumer

The government has the power of increasing and decreasing the flow of consumer spending in the market and the demand and supply.

Explanation:

All the government has to do is decrease the taxes on the products for which the consumer spending is decreasing.

It will help the consumer to save more as there'll be more money saved in the households and if the consumer expenditure is increased to such an extent that it is not able to match the supply then the government can increase the taxes which will become heavy on the pockets of the consumers and they'll spend less.

the correct answer is

d) rocket launcher