$$(80+30)\div (4-3)=110$$ cents $$=1$$ dollar and $$10$$ cents. 
Paul was going to buy $$4$$ servings of ice cream, but he was $$80$$ cents short. So, he bought $$3$$ servings and had $$30$$ cents left. What was the price of one serving of ice cream? 

A: $$70$$ cents 
B: $$80$$ cents 
C: $$90$$ cents 
D: $$1$$ dollar 
E: $$1$$ dollar $$10$$ cents 