Answer:1. Maximum transfer price is $60 and it's to be set by the Motel division.
This is the maximum price they will need to get it in the market if they are not buying in-house and it needs to be set by them because it determines the maximum profit it can make from the transaction.
2. The minimum transfer price is $29 and it's to be set by the Furniture division.
This is the production cost and it's still profitable since it has meet his fixed cost at 40,000 unit and the variable cost is $15. The Furniture set the price because it determines the maximum profit it makes from the transaction.
3. Benefit to Motley division is additional profit of $16 per unit for 10,000 units ($31-$15)
Benefit to Furniture division is a reduction in cost of $29 per units on 10000 unit ($60-31)
Benefit to company is the combination of the benefits from both Motly and Furniture division.