Cora has tow qualifying children for the Child and Dependent Care Credit, Keri (5) and Jason (9). Cora paid $13000for Keri's care, but Jason stayed at a friend's house, so there was no expenses for him. Assuming all other tests are met, how much expense can Cora use to calculate her credit?
a. $3000
b. $6500
c. $8000
d. $13000