b) Prepare a report showing London Docks Cafe's revenue and spending variance for December? (20 marks) c) Based on the variances report you prepared in (b) above, which area/s of activity should be of concern to the management of London Docks Cafe? Explain (25 marks) d) Explain the terms profitability and sustainability. Assess and advise the London Docks Cafe on the measures they should adopt to ensure the attainment of both mandates. (30 marks)