Listed below are the units produced and total cost of production of a particular product for the last few months.

• January units: 1,000 ; Total cost: $10,000
• February units: 950 ; Total cost: $9,550
• March units: 1,200 ; Total cost: $11,800
• April units: 2,000 ; Total cost: $19,000

Q - From the data you would best classify the product as which type of cost: Please explain clearly, only selection a cost option is not a correct answer.

1. Fixed cost

2. Step-variable cost

3. Variable cost

4. Mixed cost