(1) Please explain how to measure the utility increment of consumers combined with graphics: [ mathrm{CS}+mathrm{CV}(mathbf{0 / 2 / 4 / 6 / 8 )} ; operatorname{CS}+operatorname{EV}(mathbf{1 / 3 / 5 / 7 / 9 )} ]

(1) Please explain how to measure the utility increment of consumers combined with graphics: CS+CV(0/2/4/6/8):CS+EV(1/3/5/7/9).