Which of the given seems a contrast of the law of reducing marginal utility? (i) Howard quit utilizing grocery coupons if he won the lottery. (ii) Joan finds that her try in preparing for a date surpasses the enjoyment gained. (iii) Ken enjoys his thirteenth beer of evening more than his first. (iv) Natasha works harder and harder to cast additional steel ingots therefore she can surpass her production quota. (v) Morris loves catnip more than canned tuna and canned tuna greater than dry cat food.
Please someone suggest me the right answer.