Projects CP 18-1 Ethics in Action and lumber, for personal use at a price equal to accountant, then charges the employee an amount based on Avett aterials, such as metal the company's cost. To purchase then materials, an employee must complete a materials requisition form, which must be approved by the employee's immediate supervisor. Brian Dadian, an as:s 's net purchase cost. Brian is in the process of replacing a deck on his home an for personal use, which has been approved in accordance with company policy. Inc puting the cost om- of the lumber, Brian reviewed all the purchase invoices for the past year. He then used the lowest price to compute the amount due the company for the lumber. The Institute of Management Accountants IMA) is the professional organization for managerial accountants. The IMA has established four principles of ethical conduct for its members: honesty, fairness, objectivity, and responsibility. These principles are available at the IMA Web site: www.imanet.org Using the IMA's four principles of ethical conduct, evaluate Brian's behavior. Has he acted in an ethical manner? Why