A company has the linear total cost function C(x) (a) What is the company's marginal cost? marginal cost = = 14x + 2152. (b) What does marginal cost mean in the context of this problem? O If the number of items produced increases by one, total costs will increase by 14 dollars. If the number of items produced increases by one, total costs will be equal to 14 dollars. O If the number of items produced increases by 14, total costs will increase by 2152 dollars. O If the number of items produced increases by 2152, total costs will increase by 14 dollars. (c) What are the company's fixed costs?