Using Porter's value chain helps procurement professionals know what are direct and indirect costs of supplier. Information on direct and indirect costs will have been collected as part of the market analysis. Information sources that may help include the following:
- Company annual reports
- Market data
- Technical data
- Request for information
- Plan visits
- Discount lists
Market data is the information that is collected and analysed by specialist organisations like Mintel, Gartner, Forrester,...
Reference:
LO 2, AC 2.3

Products used in agriculture can be subject to shortage due to natural disasters.
Reference:
LO 2, AC 2.1

To answer this question, candidates are required to remember the cash flow cycle and cost entries as well as the impact of their timing on a business.
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Source: https://cfoperspective.com/free-your-cash-trapped-in-the-cash-conversion-cycle/ Shorter payment term and more inventory are likely to have negative impact on the cash flow be-cause the buyer has to pay sooner and greater.
"Customers agree to pay immediately" will increase the organisation's bank account sooner.
Depreciation has no impact on cash flow as it is only listed in Profit and Loss statement.
Increasing revenue may have negative or positive impact on cash flow, depending on the real situation.