A length of 1/2″ EMT is to have 15″ high end to back stub bent at the left end. Where should the arrow on a standard EMT bender be placed? (select the 10″ Mark)

A length of 1/2″ EMT is to have 15″ high end to back stub bent at the left end. Where should the arrow on a standard EMT bender be placed? (select the 10″ Mark)