Cost Effective Production
Businesses must always be cost effective, because they should invest money in new technology instead of the businesses efficiency.
You can firstly improve on its productivity, you can do this by getting more workers, by this you would get more number of goods. As this is about, reducing cost you can, work the machines faster. Other ways are to control stock carefully, to minimise wastage, for example use the JIT method (Just In Time).
Cadbury might want to reduce its workforce because of the wages of the workers, it can be more expensive than the machines. also the machines work faster. Although the machines are expensive it can then later on be free. Another reason why cadburys might want to do this because machines work way faster than a worker.