Answer:
The contribution margin per unit is $33.50
Step-by-step explanation:
The contribution margin per unit in the case when the machine is purchased is shown below:
= Selling price per unit - variable cost per unit
= $64 - ($35 - $4.50)
= $64 - $30.50
= $33.50
hence, the contribution margin per unit is $33.50 and the same is to be considered
We simply applied the above formula