Ceteris paribus, an increase in the demand for soda leads to: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a a decrease in the price of soda and a decrease in producer surplus. b a decrease in the price of soda and an increase in producer surplus. c an increase in the price of soda and a decrease in producer surplus. d an increase in the price of soda and an increase in producer surplus