Sully, Emma, Diane, and Wayne are eating a large pizza. The cost of the pizza is $19.50. They decide to pay for the pizza depending on what portion of the pizza each ate. Sully ate of the pizza, Emma ate 12.5% of the pizza, and Diane ate of the pizza. If Wayne ate all of the remaining pizza, how much should he pay?
A. $7.31
B. $12.19
C. $8.53
D. $9.75