1) Revenue, turnover, and sales all refer to the same concept of money received for goods or services sold. It is calculated as Price x Quantity (P x Q). 2) Cost is calculated as Cost x Quantity (C x Q) and is subtracted from revenue to calculate gross profit. 3) Premier sales focus on communicating the value of products or services, not price negotiation. Overcommunicating value to negotiators helps maintain proper pricing.