Please Explain!! Thank you..

JK Company produces two products, Plush and Supreme. JK Company can sell all of the units it can produce for both products, but it has limited production capacity. Machine hours per unit are 0.25 hours for Plush and 0.50 hours for Supreme, and the company has 2,000 machine hours available. Contribution margin per unit is $214 for Plush and $300 for Supreme. What is the most profitable sales mix for JK Company?

Multiple Choice

0 Plush units and 4,000 Supreme units.

4,000 Plush units and 4,000 Supreme units.

8,000 Plush units and 0 Supreme units.

8,000 Plush units and 4,000 Supreme units.

4,000 Plush units and 2,000 Supreme units.