Answer: $1.50
Step-by-step explanation:
Based on the information given in the question, we are informed that the variable cost of each box is $1.50 and usually has a contribution margin of $0.80 per box.
We should note that the minimum transfer price that the box division should find as acceptable will be the relevant cost. In this case, the relevant cost is given as $1.50 pee box and therefore, the minimum transfer price will be $1.50.