Answer:
50%
Step-by-step explanation:
Given: Selling price= $120 per unit.
Variable cost= $60 per unit.
First computing contribution margin.
Contribution margin=

⇒ Contribution margin=

∴ Contribution margin=

Now, calculating the contribution margin ratio.
Contribution margin ratio=

⇒ Contribution margin ratio=

∴ Contribution margin ratio=

Hence, the product´s contribution ratio is 50%.