You are to answer the below questions in the context of the office space market in Australia. Please treat each question as a separate event:

Q1) Using separate diagram for each event, explain and illustrate how each event ceteris paribus will affect the supply curve, demand curve, equilibrium rental rate and quantity in office space market in Australia.

• Businesses downsize their office space.
• Businesses invest in technology to support virtual working so that employees can work from home permanently.
• About 400,000 square metres of new office space has been completed and is available for business leasing.
• Coronavirus pandemic affected a significant number of businesses, resulting in many tenants ending their lease early and handing back office space to landlords.

A study found that staff is more productive when they are working in the same office under the same roof.