SELECT p.name,AVG(CASE WHEN tsl.quantity>1 THEN tsl.unit_price_before_discount END) bundle_price,AVG(CASE WHEN tsl.quantity=1 THEN tsl.unit_price_before_discount END) single_price,COUNT(t.id) sales FROM products p JOIN transaction_sell_lines tsl ON p.id=tsl.product_id JOIN transactions t ON tsl.transaction_id=t.id WHERE t.type="sell" GROUP BY p.id,p.name HAVING bundle_price IS NOT NULL ORDER BY sales DESC;