In January of last year, Fastfood King started using a new lowfat oil to cook its Fast Fries, instead of the less healthful corn oil that it had been using. Now Fastfood King is planning to switch back, saying that the change has hurt sales of Fast Fries. However, this claim is incorrect, since according to Fastfood King’s own sales figures, Fastfood King sold 10 percent more Fast Fries last year than in the previous year.
Which of the following, if true, most strongly supports the argument against Fastfood King's claim?
Total sales of all foods at Fastfood King’s locations increased by less than 10 percent last year.
Fastfood King enjoys higher profit margins on its Soft Drinks than it does on Fast Fries.
Fastfood King’s customers prefer the taste of Fast Fries cooked in corn oil to Fast Fries cooked in lowfat oil.
The number of customers that visited Fastfood King locations was more than 20 percent higher last year than the year before.
The year before last, Fastfood King experienced a 20 percent increase in Fast Fries sales over the previous year.