the answer is already there, can you please show step by step how to get the answers.

Natasha Company produces two models of cars A & B The unit contribution margin for A is $6, and the unit contribution margin for B is $14. Each model must spend time on a special machine. The firm owns two machines that together provide 4,000 hours of machine time per year. A requires 15 minutes of machine time; Model B requires 30 minutes of machine time.

What is the amount of machine time for model A in terms of percentage of a machine hour?

What is the contribution margin per unit of scarce resource (machine time) for B?

What is the contribution margin per hour for A What is the contribution margin per hour for B

Natasha Company produces two models of cars A \& B The unit contribution margin for A is $6, and the unit contribution margin for B is $14. Each model must spend time on a special machine. The firm owns two machines that together provide 4,000 hours of machine time per year. A requires 15 minutes of machine time; Model B requires 30 minutes of machine time. What is the amount of machine time for model A in terms of percentage of a machine hour? 25% What is the contribution margin per unit of scarce resource (machine time) for B ? 0.50 What is the contribution margin per hour for A $24.00 What is the contribution margin per hour for B $28.00