H&M, the Swedish fashion retailer, has partnered with WaterAid to launch the H&M for Water collection for the Summer 2013 range, modeled by global superstar, Beyoncé, with 25% of sales from the H&M for Water collection donated to H&M for WaterAid. This marketing activity is referred to as:

a) Organization marketing.

b) Person marketing.

c) Cause-related marketing.

d) Place marketing.