Which one of the following assumptions about indifference curves is incorrect? A. Consumers' preferences are transitive. B. Consumers usually prefer more to less. C. Declining MRS implies that indifference curves are concave to the origin. D. The marginal rate of substitution declines along an indifference curve.

answersituation analysis;

since the options are not listed, when you are working on your budget you should also add water, tv, internet, miscellaneous and your 'fun' money for in your budget. when budgeting, you need to allow for fun money, and mis/accidental money so that you stick to the budget and not go crazy because you feel strapped to the budget.