$10 Machine Inc. produces and sells three different products with the following selling prices and cost structures for each product line. Product A Product B Product C Selling price per unit $15 $20 Variable cost per unit $5 $9 $11 Product Line monthly fixed costs $20,000 $40,000 $70,000 Additionally, Machine Inc. has a limited amount of time on the special machine used to make each unit produced of each product line. Due to this shortage of machine time. Machine Inc. will be unable to produce sufficient units of each product to satisfy demand for each product. However, Machine Inc. is considering renting time on a similar machine that is owned by another company, so Machine Inc. can produce and sell additional units of whichever product they'd like to produce and sell more of Machine hours required for each unit produced for each product are: Product A requires 1/2 hour per unit produced, Product Brequires 3/4 hour per unit produced, and Product requires 0.8 hours per unit produced. What is the maximum rental price per special machine hour (value per additional special machine hour rented) that Machine Inc. should offer the other company for each machine hour rented