Christina has decided to spend her evening eating sushi and watching videos. Each piece of sushi and each video costs $2 Her total utility for the two products is shown in the table below. a) Complete the marginal utility columns in the table above. b) How should Christina allocate a budget of $18 to achieve utility maximization, and what will be her total utility? Videos: Pleces of sush: Total utility: c) Suppose that the sushi shop offered a deal whereby Christina can buy a six-piece pack for $10. How will Christina allocate her budget, and what will be her total utility now? Videos: Pieces of sushi: Total utility