Terms of Scheduling Advertising,buyer Turnover Refers to

terms of scheduling advertising,buyer turnover refers to

A) the amount of time between repeat purchases for a given product.
B) how often new buyers enter the market to buy a product.
C) the amount of time for a buyer to enter and exit a product's life cycle.
D) how often a consumer will try competitive brands before becoming a brand loyal customer of the firm's product.
E) the ratio of repeat purchases to the number of buyers for an offering.