https://arm.proz.com/personal-glossaries/entry/34840414-high-cost-area-supplement-%CF%80%CF%81%CF%8C%CF%83%CE%B8%CE%B5%CF%84%CE%BF%CE%BD-%CE%B5%CF%80%CE%AF%CE%B4%CE%BF%CE%BC%CE%B1-%CE%AD%CE%BD%CE%B5%CE%BA%CE%B5%CE%BD-%CF%85%CF%88%CE%B7%CE%BB%CE%BF%CF%8D-%CE%BA%CF%8C%CF%83%CF%84%CE%BF%CF%85%CF%82-%CF%80%CE%B5%CF%81%CE%B9%CE%BF%CF%87%CE%AE%CF%82