c) How long has this grandparent been responsible for the(se) grandchild(ren)? If the grandparent is financially responsible for more than one grandchild, answer the question for the grandchild for whom the grandparent has been responsible for the longest period of time.
[ ] Less than 6 months
[ ] 6 to 11 months
[ ] 1 or 2 years
[ ] 3 or 4 years
[ ] 5 or more years