please answer

Question 4 Match the change in deadweight loss for each of the following markets if a new tax were to be introduced in each: (some categories may have more than one answer) - Taxing a good/service with a negative externality. A. DWL is reduced. Taxing a good/service where demand or supply is perfectly inelastic. B. The most DWL possible is created (supply/demand is perfectly elastic). Taxing a good/service with close (but not perfect) substitutes. C. No DWL. Taxing a good/service with perfect substitutes. D. DWL is made even larger. - > Taxing a good/service with a positive externality. E. Some DWL is created (supply/demand not perfectly elastic). Taxing a public good. - Taxing a good/service provided by a monopoly