A department makes a product whose contribution per unit is $1,000, and which takes 20 hours machine time. A component used in this product with a marginal cost of $300 (taking 5 hours of machine time) could be purchased from an external supplier. The department is working at full capacity. What is the maximum price that the company may pay to buy the component from an external supplier?

Practice Question 13 options:

a)$500

b)$600

c)$575

d)$550