Final answer:
Consumer products include goods like convenience, shopping, and specialty items for personal use and fall under option c. Software developers work in the quaternary sector, which is a part of the service industry within the tertiary sector.
Step-by-step explanation:
The category that includes consumer products used for personal needs, such as convenience, shopping, and specialty products is c. Consumer products. These are goods and services that are acquired by individuals to satisfy their wants and needs. Consumer products can be further classified into durable and non-durable goods, the former lasting three or more years like cars and refrigerators, while the latter like food and clothing are used up more quickly.
As for the sector of the economy a software developer works in, the correct answer is d. Quaternary. The quaternary sector encompasses activities that deal with information collecting and processing, as well as management. This sector is a subset of the tertiary sector, which is the broader service industry that handles, transports, sells, or helps others use the goods created in the primary and secondary sectors of the economy.