Down Under Products, Ltd. of Austraila has budigeted sales of its popular boomerang for the next four months as follows: The compary is now in the process of preparing a production budget for the second quarter. Past expenence has shown that end-of. month inventory levels must equal 20% of the followng month's unit sales. The imventory at the end of March was 18,000 units. Required: Prepare a production budget by month and in total, for the second quarted