Adam spent $10,000 on new equipment for his small business, "Adam's Fitness Studio". Membership at his fitness center is very low and at this rate, Adam needs an additional $12,000 per year to keep his studio open. Which of the following is true?A) The $10,000 Adam spent on equipment is a fixed cost of business and the $12,000 he'll need to continue operations is a variable cost. B) The variable cost of running the studio is $22,000. C) The fixed cost of running the studio is $22,000. D) The $10,000 Adam spent on equipment is the total cost of starting the business and the $12,000 he'll need to continue operations is a marginal cost.