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.
Expenses Do Not Equal Economic Reality. Because of the cost principle and inflation, the expenses shown on the income statement reflect old costs. For example, assume that a company is operating a forty-year-old manufacturing plant that had a cost of $400,000.