please help with this macroeconomics assignment :)

During pandemic in 2020, many people decided to use home delivery services in order to have meals delivered to them from the restaurant. suppose the supply of home delivery services is perfectly elastic. You will be asked several questions about this situation.

Explain how the pandemic affected the demand for home delivery services.

Explain the effect on the equilibrium price and quantity of home delivery services.

Explain the effect on the efficient quantity of home delivery services.

Explain the effect on the total consumer surplus, the total producer surplus, and the total surplus in the market for home delivery services.