Read this paragraph. Income is definitely something to consider when choosing a career. Civil engineers earn a yearly median income of $78,000, while pharmacists earn a yearly median income of approximately $112,000. However, there is more schooling involved with becoming a pharmacist. Pharmacists must earn a four-year professional degree in addition to a bachelor’s degree, and civil engineers need to have only a four-year bachelor’s degree. Because I enjoy school and would like to earn more money, I am leaning more heavily toward becoming a pharmacist. What does the signal word “while” tell the reader in this paragraph? Civil engineers and pharmacists have different educational requirements. Civil engineers and pharmacists earn different yearly salaries. Civil engineers and pharmacists have the same educational requirements. Civil engineers and pharmacists earn the same yearly salaries.