with A as (select a.product_id,sum(b.quantity*a.unit_price) as total_sales,a.unit_price,sum(b.quantity) as total_quantity from products a left join orders b on a.product_id = b.product_id where year(b.order_date) = 2023 group by a.product_id,a.unit_price ), B as (select m.product_id,month(n.order_da...