Marginal utility means
(a) change in total utility due to one unit change in consumption (b) change in total utility due to no change in consumption © change in utility due to change in price
(d) change in utility due to change in income
(a) change in total utility due to one unit change in consumption (b) change in total utility due to no change in consumption © change in utility due to change in price
(d) change in utility due to change in income