Final answer:
The correct statement is that under Chapter 7 of the Bankruptcy Act, the assets of a firm that declares bankruptcy must be liquidated and the sale proceeds used to pay off claims according to priority. Therefore, the correct option is D.
Step-by-step explanation:
The correct statement among the options is: d. Under Chapter 7 of the Bankruptcy Act, the assets of a firm that declares bankruptcy must be liquidated, and the sale proceeds must be used to pay off claims against it according to the priority of the claims as spelled out in the Act. This statement is correct because under Chapter 7 bankruptcy, the assets of a firm that declares bankruptcy are sold off to pay off their debts. The claims against the firm are paid according to the priority of the claims as specified in the Bankruptcy Act.