you didn’t demonstrate, you just claimed it. if doing the math in your head makes you feel good about yourself, do it… the cashier has a calculator and a scanner to save them time, you’re not complaining about the lack of definition in their arms or their poor work ethic, i hope…
you didn’t demonstrate, you just claimed it. if doing the math in your head makes you feel good about yourself, do it… the cashier has a calculator and a scanner to save them time, you’re not complaining about the lack of definition in their arms or their poor work ethic, i hope…