Heterogenous Mixture are not uniform in composition, ex: Granola Bar, Pizza, Cookies
TU increases with an increase in consumption of a commodity as long as MU is positive. In this phase, TU increases but a diminishing rate as MU from each successive unit tends to diminish. ... When consumption is increased beyond the point of satiety, TU starts falling as MU becomes negative.
Yea I agree with you a lot