The change in hair color occurs when melanin ceases to be produced in the hair root and new hairs grow in without pigment. The stem cells at the base of hair follicles produce melanocytes, the cells that produce and store pigment in hair and skin. The death of the melanocyte stem cells causes the onset of graying.
The revenue cycle is a recurring set of business activities and related information processing operations associated with providing goods and services to customers and collecting their cash payments.The primary external exchange of information is with customers.he revenue cycle is a recurring set of business activities and related information processing operations associated with providing goods and services to customers and collecting their cash payments.
Advance payments or unearned revenue, recorded on the recipient's balance sheet as a liability, until the services have been rendered or products have been delivered. Deferred revenue is a liability because it refers to revenue that has not yet been earned, but represents products or services that are owed to the customer. Advance payments or unearned revenue, recorded on the recipient's balance sheet as a liability, until the services have been rendered or products have been delivered.