Ricardo Buys Cola and Popcorn

Ricardo buys cola and popcorn. Cola sells for $0.50 a can and popcorn sells for $1 per bag. He is in consumer equilibrium. The price of a cola jumps to $1 per can. In his new consumer equilibrium, Ricardo's

A) marginal utility of cola will be equal to his marginal utility of popcorn.
B) marginal utility per dollar spent will be 2.
C) total utility will be higher.
D) marginal utility of cola will decrease.