The Operating Cycle Is the Elapsed Time Between What Two

The operating cycle is the elapsed time between what two procedures?

A) the purchase of goods or services and the ultimate collection of cash from customers related to the sale of those goods
B) the sale of goods or services to customers and the payment to suppliers for those goods
C) the purchase of goods from suppliers and the performance of the related services for customers.
D) the sale of goods and the delivery of those goods to customers