This is category 'A' spend in the ABC model - they represent a large value and a small number of purchases / suppliers. See p.17 for more information on the ABC Analysis

Adding value involves enhancing customer experience through excellent service, providing differentiated product features, and offering convenience. These align with procurement strategies aimed at driving customer satisfaction and loyalty.

Using an external supplier always comes with increased risk, as you become dependant upon them, and have less control over their performance (compared to an in-house team). In this example Harry will have the increased risk that the contract cleaners turn up late to their shifts, or don't do a good job. However, there is no reason to believe that the supplier will not perform as well as an internal team- we don't have enough information from the Question: for this to be true. What is true is the RISK is greater. The other answers are incorrect; the Question: doesn't indicate whether outsourcing the cleaning will be more or less expensive for Harry. Allowing staff to focus on other areas is an advantage not a disadvantage. See p.4 for more information on 'External Suppliers'

The correct answers are; They are likely to be able to gain price stability and There may be greater continuity of supply. The other options are an advantage for the supplier rather than the buyer (They will gain an increased volume of business) and a disadvantage of entering into a partnership (The supplier may become complacent). As you may have guessed from these questions - Partnerships come up a LOT in the exam. See p.130 for info on pros and cons of partnerships.

The correct answer is 'greater creativity'. A synergy is the concept that the value and performance of two companies combined will be greater than the sum of the separate individual parts. P.160