Answer:
a. Monitors capital expenditures to make sure that they are not misappropriated.
Explanation:
A noteworthy factor of a Treasurer over the Controller is that treasurers are focused on how capital is appropriated. Thus, a company treasurer would monitor the capital expenditures so as to make sure that they are not misappropriated.
On the other hand, the controller does mainly budgeting, internal tax accounting, and financial reporting.