The market share of the business in 2015 is 5%.
The market share of a business is the portion or percentage of total market size that it controls. For instance, the business in question has 5% market share. This implies that it controls only a small portion of the market where it sells its products.
Sales in 2014 = £108,000
Fall of sales in 2015 = 10%
Sales in 2015 = £97,200 ($108,000 x (1 - 10%)
Total market size in 2015 = £1,800,000
The business's market share in 2015 = 5.4% (£97,200/£1,800,000 x 100)
Thus, the market share of the business in 2015 is 5%.
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