The Coca-Cola Company produces soft drinks. Last month, it produced 10,000 cases of soft drinks at a total cost of $25,000. When production increased to 12,000 cases, the total cost rose to $30,000.

i) Calculate the fixed cost per case.

ii) Determine the variable cost per case.

iii) If the company expects to produce 15,000 cases next month, what would be the expected total cost?