Which company was involved in the arms deal between saudi arabia and britain?

The answer is BAE Systems. It has revealed it is in discussions to close a multi-billion pound arms contract with Saudi Arabia, in spite of alleged war delinquencies by the Middle Eastern kingdom using British-made weapons in war-torn Yemen. The current contract is a five-year programme between BAE, the UK Government and Saudi Arabia. Under the agreement, BAE, which relies on the Saudi regime for more than one fifth of its income gives training, support and advancements for its Hawk aircraft. BAE also proclaimed it was trading in line with expectations and its viewpoint for the year remained unaffected, with the company predicted to register a 5-10 per cent rise in earnings.

demand is the need and oportunity to buy a given good or service.

i would say your answer is a)

sorry if im wrong