Answer:
b. assign the highest cost of capital to Division Z because it is most likely the riskiest of the three division.
Step-by-step explanation:
The Old Town Industries will assign highest cost of capital to Division Z because it is research and development side of business. The research will incur high cost to the company. Only the research cost which meets certain conditions it will be capitalized as development costs. This Division Z is riskiest and incurs a large amount of expense for planned search of new technologies.