Show the estimated price of the seven best selling digital cameras, ranked by market share, in October 2000. Use the list below to represent each of the set in roster form. Let the seven cameras in the list represent the universal set. 1. The set of best selling digital cameras with an estimated price greater than $500 2. The set of best selling digital cameras with an estimated price less than $300 3. The set of best selling digital cameras with an estimated price between $250 and $650 4. The set of best selling digital cameras with an estimated price between $500 and $800