Hi, I'm studying for my final tomorrow and need help. Can you please help me with this question?

1. Suppose you are producing items with a variable cost per item of $0.65 and fixed costs of $200. Suppose that you can sell the item for $0.85 per item.

(a) Find the cost, revenue and profit functions.

(b) Find the number of items required to reach the break-even point.

(c) Find the average cost per item if you produce 2500 items.