Mildred Has $300 Budgeted for Donations

Mildred has $300 budgeted for donations. It will go either to the SPCA (a registered charity) or the Green Party (a registered federal political party) . If she gives the money to the Green Party, her tax credit will be:

A) the same amount that she would get from donating to the SPCA.
B) $180 more than she would get from donating to the SPCA.
C) $138 more than she would get from donating to the SPCA.
D) $166 more than she would get from donating to the SPCA.