Urgent accounting in 3 hours max -

I need approximatel 2 pages analysis anf formulae explanation based on the case study below

Look at the bolded section of intrest 

Question

I have a sample case study, and from the case study I am required to demonstrate how flexible budgeting AND variance analysis + sustainability is represented whilst talking about relevant formulae and calculations etc. This analysis must be extremely clear, thorough and detailed with relevance to the case study.

CASE STUDY:

Cleaner production = overhead savings

Companies committed to sustainability face additional pressures in managing overheads as a result of the need for environmental and social considerations. One of the main categories of manufacturing overhead is electricity costs, which also has great environmental impact. Rheem Australia, a manufacturer of gas, electric and solar water heaters for both the domestic and commercial market, participated in the NSW Department of Environment and Conservationâs âProfiting from Cleaner Productionâ program as part of its commitment to sustainability practices. A systematic review

of the manufacturing process identified that process efficiencies and green options (e.g. using light- sensitive switches to adjust artificial lighting) resulted in a reduction in energy use of 1 229 000 kilowatt-hours (kWh) per year. This translated to a savings of $55 000 per year and reduced carbon dioxide emissions (1244 tonnes less a year). Rheem also introduced recycling of plastics, cardboard and paper, diverting 4 tonnes of waste from landfill. Cleaner production has become a permanent part of Rheemâs ongoing commitment to excellence in its manufacturing.

Two other examples of companies embracing cleaner production is Vinidex, one of Australiaâs leading thermoplastic pipe systems manufacturers, and Hawker de Havilland, an Australian wholly owned subsidiary of the Boeing Company. Vinidex invested in new state-of-the-art moulding machines and installed light-sensitive switches which saves the company $260 760 per yearâa 20% saving per tonne of product each yearâwith an overall estimated reduction of 5000 tonnes of carbon dioxide emissions and approximately 5 million kWh of energy. Their recycling programs to recut and reprocess waste PVC reduced landfill waste by 85 tonnes ($7800 savings), with a further bonus of reducing raw materials inputs. Similarly, for one-off costs of $83 000, Hawker de Havilland anticipated total savings of $1 023 000 per year. As Michael Jupe from the company stated cleaner production is not only an investment in the triple bottom line but makes perfect operational sense by yielding pragmatic sensible outcomes.