A new technological line of gasoline production has the following parameters:
- annual production is 21,408 litres;
- purchase price is $87,374
- operatining costs are $854 per year;
- depreciation rate is 20%;
- service life is 5 years
Expected annual inflation is 5%. If current interest rate is 10%, what is the unit cost of gasoline in dollars per litre in real terms?