Salary Outlook. Hygienists make comfortable salaries, especially considering that more than half of them work part time. In 2013, their median salary was $71,110. The best-paid earned about $96,690, and the bottom 10 percent earned $47,880.Many of the top-paid hygienists work in dental offices, but ambulatory health care services also pay well.n 2013, their median salary was $71,110. The best-paid earned about $96,690, and the bottom 10 percent earned $47,880. Many of the top-paid hygienists work in dental offices, but ambulatory health care services also pay well.
Historical Cost. Definition. Historical Cost is the original cost incurred in the past to acquire an asset. Historical Cost Convention requires assets to be recognized at their historical cost. Explanation. Assets need to be assigned some value in the accounting books.
As an example, consider the economic cost of attending college. The accounting cost of attending college includes tuition, room and board, books, food, and other incidental expenditures while there. The opportunity cost of college also includes the salary or wage that otherwise could be earned during the period.o for the two to four years an individual spends in school, the opportunity cost includes the money that one could have been making at the best possible job. The economic cost of college is the accounting cost plus the opportunity cost.