An information processor includes a first input unit configured to accept designation of an enlargement/reduction rate, an extraction unit configured to extract a first output setting for printout at the designated enlargement/reduction rate and a second output setting different from the first output setting for printout at the designated enlargement/reduction rate, a calculation unit configured to calculate a first fee for the first output setting and a second fee for the second output setting, a display configured to display the first output setting and the first fee in association with each other, and the second output setting and the second fee in association with each other, a second input unit configured to receive a selection of one of the first output setting and the second output setting, and a controller configured to cause the execution of image formation onto a medium with the selected output setting.