Final answer:
The Magnuson-Moss Warranty Act is the federal act under which companies must offer written express warranties, focusing on providing consumers with comprehensive warranty information. The correct answer is d) Magnuson-Moss Warranty Act.
Step-by-step explanation:
Companies that offer written express warranties must do so under the provisions of the Magnuson-Moss Warranty Act. This Act was enacted in 1975 and is the primary federal law that governs consumer product warranties. Under this Act, manufacturers and sellers are required to provide customers with detailed information about warranty coverage.
In contrast, acts such as the Federal Food, Drug, and Cosmetic Act focus more on the regulation of food, drugs, and cosmetics regarding their safety, labeling, and advertising. The Magnuson-Moss Warranty Act is specifically aimed at ensuring that consumers can get complete information about warranty terms and conditions. So, the correct answer is d) Magnuson-Moss Warranty Act.