A business sells 5,000 units of a product at a price of £12 each. The variable cost is £4 per unit and fixed costs are £15,000. The business decides to increase the selling price by 15%, which leads to a 10% fall in the quantity sold. Variable cost per unit and fixed costs remain unchanged. What is the change in the total profit of the business?
An increase of £2,100£2,100£2,100
An increase of £4,100£4,100£4,100
A decrease of £900£900£900
An increase of £1,400£1,400£1,400
