Final answer:
The question lacks context and clear data to provide a solid link between the rent price and its duration. The most closely related data suggests that $400 covers approximately 4 weeks of rent, but that is not among the provided options. Therefore, an accurate answer cannot be determined with the information given.
Step-by-step explanation:
The duration for which the cost of rent is $400 needs to be calculated based on the information provided. However, the question does not offer sufficient data directly linking the rent price to its duration. The provided tables contain information on different prices and quantities supplied, which seems related to economics, specifically rent control, but it doesn't specifically mention time periods. Nonetheless, the data hints at a possible economics or mathematics question where price and quantity are important factors.
It's crucial to note that the last table lists amounts in a column with a header of $400, which is repeated four times across the top. If this table indicates weekly rent payments and the total is $1,400 for four weeks, then each week costs $400/4 = $100, making the rent $400 per month or approximately 4 weeks. This assumption may lead to conclude that the rent duration for $400 would be 4 weeks; however, this doesn't match any of the provided options (6, 8, 10, or 12 weeks). Without additional context or clearer data linking rent price to duration, it's not possible to accurately determine how long $400 in rent lasts.