The neutral wire color is white in USA, Canada and other countries which run a 60 Hz electrical power service. The neutral wire color is blue in countries in Europe and eâ¦lsewhere which run a 50 Hz electrical power service.
Melpomenem/iStock/Getty Images. The Holding Period Return is an investment measure that calculates the return you have received on your investment over the length of time that you have held the investment.
Average Collection Period. The average collection period is a measurement of the average number of days that it takes a business to collect payments from sales that were made on credit. Businesses of many kinds allow customers to take possession of merchandise right away and then pay later, typically within 30 days.