2. Kocher Steel typically achieves one of the three production levels in a given year: 8 million pounds of steel, 10 million pounds of steel or 16 million pounds of steal. In tracking some of its costs Kocher Steels controller discovered one cost that was $10 per pound no matter what the production level for the year. This is an example of:

a. Semivariable cost

b. Variable cost

c. Semifixed cost

d. Fixed cost