Management homework help

The London Docks Café is a company that prepares meals for tourists and citizens in its kitchen located next to the local airport. The company’s planning and actual budgets for September appears below:
 
 
 
 
 
 
 
 
 
 
The London Docks Café
 
Planning and actual budgets for the month ended September 30^th, 2020
                                                                
 
                                                                 PLANNING              ACTUAL
Budgeted meals quantity           (q)                 20 000                      18 000
Revenues (£5.00q)                                   £100 000                  £90 000
Expenses:
Raw material (£2.50q)                              50 000                      45 000
Wages and salaries (£5 500+£0.25q) 10 500                      10 000
Utilities (£2 500 + £0.05q)                          3 500                        3 400
Facility rent                                                 5 000                        5 500
Insurance                                                   2 800                        3 200
Fuel                                                            2 500                        2 800
Net Operating Income                            £25 700                    £20 100
 
Required:
 
a)    Outline the objectives of budgeting and explain how London Docks Café benefits from engaging in robust budgetary processes? (15 marks)
b)    Prepare a report showing London Docks Cafe’s revenue and spending variance for September? (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 Café? Explain (25 marks)
d)    Explain the terms profitability and sustainability. Assess and advise the London Docks Café on the measures they should adopt to ensure the attainment of both mandates. (30 marks)