A stacked bar chart illustrates the breakdown of average daily water consumption (in liters) for a household across five categories: Showering, Toilet Flushing, Laundry, Kitchen Use, and Outdoor Use. Each bar represents a different month (Jan-Dec). If the household's goal is to reduce its total water consumption, and specifically to reduce the proportion of water used for Outdoor Use relative to total consumption, which month would indicate the most success in achieving this specific goal?

The correct answer to the question "A stacked bar chart illustrates the breakdown of average daily water consumption (in liters) for a household across five categories: Showering, Toilet Flushing, Laundry, Kitchen Use, and Outdoor Use. Each bar represents a different month (Jan-Dec). If the household's goal is to reduce its total water consumption, and specifically to reduce the proportion of water used for Outdoor Use relative to total consumption, which month would indicate the most success in achieving this specific goal?" is Option D: December, where Outdoor Use accounts for 5% of 100 liters total..

The other options — A) July, where Outdoor Use accounts for 20% of 300 liters total., B) February, where Outdoor Use accounts for 10% of 150 liters total., C) September, where Outdoor Use accounts for 15% of 250 liters total. — are incorrect for this GMAT Exam Prep question. As explained above: The goal is to reduce total consumption AND the proportion of Outdoor Use. December has the lowest total consumption (100 liters) and the lowest proportion for Outdoor Use (5%), demonstrating the mos…