3. Write a SQL statement that selects these columns from the Products table: product_name The product_name column list_price The list price column discount_percent The discount_percent column discount_amount A column that's calculated from the previous two columns discount_price A column that's calculated from the previous three columns Only return products with list price greater than 200 and less than 800 Sort it by product_name in descending sequence. 4. Write a SQL statement that selects these columns from the Order_Items table: item_id The item_id column item_price The item_price column discount_amount The discount_amount column quantity The quantity column price_total A column that's calculated by multiplying the item price by the quantity discount_total A column that's calculated by multiplying the discount amount by the quantity item_total A column that's calculated by subtracting the discount amount from the item price and then multiplying by the quantity Only return rows where the item_total is greater than 455. Sort the result set by item total in descending sequence