A firm's total revenue rises while its total cost remains unchanged. What is the most likely effect?
Average revenue must fall
Profit increases
Sales revenue falls
Variable cost must rise
138 exam-style questions on AQA GCSE Economics 1.4 Production, costs, revenue and profit, covering 1.4.1a Business objectives, 1.4.1b Types of costs and revenue, 1.4.1c Calculating profit, 1.4.1d Profit as an incentive to produce, 1.4.1e Moral and ethical considerations, 1.4.2a Production versus productivity, 1.4.2b Factors and benefits of productivity, 1.4.3a Economies of scale and business behaviour, 1.4.3b Types of economy of scale, and 1.4.3c Diseconomies of scale. Each one has a worked solution and a mark scheme showing where the marks go.