Help me in solving SQW29 problem

My issue

Not able to solve the problem

My code

/* Write a query to output the following
- product_id, units_sold and month of sale for all high margin products sold in the year */
SELECT
  product_type
  product_id
  units_sold
  Month
FROM
  division_product_sales dps
JOIN
  monthly_sales ms ON dps.month = ms.month
WHERE
  dps.product_type = 'High_Margin';



Learning course: Learn Data Analytics using SQL and Python
Problem Link: Practice Problem in - CodeChef