Jenny should consider whole life costing. Ensuring value for money means considering a combination of price and quality throughout the lifetime of the product. See p.65 for more on 'Achieving Value for Money'

The correct answer is Forming, storming, norming, performing (p.91). Note; some people add on two additional stages to this; mourning and adjourning. The study guide forgets to mention this, but the exam may ask you about these additional stages. So I strongly recommend doing some further reading on this (it's called the Tuckman Group Development Model)

The correct answer is 'They are hard to measure' p.103

Defining standards ensures clear expectations and provides a foundation for accountability and alignment, which are critical for the success of any partnership.

The correct answer is 'Building better relationships with primary stakeholders'. This is a direct quote from the start of chapter 2.2: 'building better relationships with primary stakeholders such as employees, customers, suppliers and communities could lead to increased shareholder wealth by developing a competitive advantage'. The other three options wouldn't give you a competitive advantage; increasing prices would do the opposite, engaging in market research won't give you a competitive advantage unless you do something with that research such as implement a change to your business, and completing formal tenders for everything would be a waste of time and resources- there's no need to tender for low value, low risk items. See p.80