At the point of sale, the merchant would calculate the amount owed by the customer and indicate the amount, and may prepare an invoice for the customer (which may be a cash register printout), and indicate the options for the customer to make payment.
Performing push-ups works a variety of muscles in your upper body, including specific muscles within your abdomen, chest, shoulders and upper arms. You can vary your technique by placing your hands at different widths to emphasize one area over another.
Push-ups are one of the most basic exercises that are beneficial to build a strong core and upper body using only your body and a flat surface. Push-ups are basic strength-building total body exercises that strengthen the upper body and improve the core strength.oracobrachialis. The coracobrachialis runs from the shoulder blade to the upper arms. During a push-up, the coracobrachialis pushes the upper arm against the body, which is essential to perform a push-up. A well-developed coracobrachialis muscle is necessary for building upper body strength.