920 - Logical Reasoning

Question: Sales taxes tend to be regressive, affecting poor people more severely than wealthy people. When all purchases of consumer goods are taxed at a fixed percentage of the purchase price, poor people pay a larger proportion of their income in sales taxes than wealthy people do.
It can be correctly inferred on the basis of the statements above that which of the following is true?

1. Poor people constitute a larger proportion of the taxpaying population than wealthy people do.
2. Poor people spend a larger proportion of their income on purchases of consumer goods than wealthy people do.
3. Wealthy people pay, on average, a larger amount of sales taxes than poor people do.
4. The total amount spent by all poor people on purchases of consumer goods exceeds the total amount spent by all wealthy people on consumer goods.
5. The average purchase price of consumer goods bought by wealthy people is higher than that of consumer goods bought by poor people.