The customer goes to their favorite clothes shop to buy a pair of blue jeans and a t-shirt. They try on sizes 40 and 42 jeans and decide size 42 fits well. The customer also asks if the jeans come in dark blue and is shown that color. Though hoping for a light blue or red t-shirt, the only colors available are green, yellow, and brown which the customer does not like. They pay $70 for the jeans with $100 and receive $30 in change before leaving the shop.