Ritufa Foods, a food processing company, has collaborated with a nonprofit organization in an initiative to fund salad bars in schools across the country. A small percentage of the money that consumers use to buy products of Ritufa Foods will be given to the nonprofit organization. The money will then be used by the nonprofit organization to fund the salad bars. This partnership with the nonprofit organization is an example of _____.
a. relationship marketing
b. green marketing
c. effect-related marketing
d. cause-related marketing