Based on the premise "Of the detergents with color-safe bleaches, I tested All and Wisk (both in powder form), setting them against Liquid Tide With Bleach Alternative, which was rated the most effective detergent overall by Consumer Reports , but which made no claims to color safety or brightening.", can we conclude the hypothesis "All and Wisk were expensive while Liquid Tide was cheap." is true?
it is not possible to tell