Answer:
The LOWEST acceptable transfer price is $18 the Tire Division's variable cost per tire.
The HIGHEST acceptable transfer price is $75the Tire Division's market price.
Explanation:
Calculation for the lowest acceptable transfer price and the highest acceptable transfer price
Variable Cost per tire:
Direct Material $15
Conversion cost $3
=$18 per tire
The LOWEST acceptable transfer price is $18 Tire division variable cost per tire
Based on the information we were told that the market price per tire is $75 which means that the HIGHEST transfer price is $75 tire division market price.
Therefore If Graham Motors has a negotiated transfer price policy The LOWEST acceptable transfer price is $18 the Tire Division's variable cost per tire While The HIGHEST acceptable transfer price is $75 the Tire Division's market price.