Lakeside Place is a B grade building in the Brisbane CBD. It is approximately 35 years old and currently has a vacancy rate of 25%. It has a WALE of 2.5 years and its NABERS rating is 1.5.

The owners are considering the following strategic options:

• Refurbish to a high B/low A grade office tower with NABERS target of 3.5; or
• Maintain the existing building with no significant CAPEX for the next 10 years when redevelopment may be a viable alternative

Select two (2) common decision making techniques and describe how they could be used in relation to making a recommendation on the above scenario.