Since the year 2015 gross sales increase pellets from years ago. Result in gross royalty fee expense increased as a proportion of total sales of the business.
Since 2015, the Company's sales volume, from a year ago. As a result, the Company has a royalty fee expense increased proportion of sales of the Company.
Since the year 2015 business have more sales from a year ago. The utility has royalty fee expense increased in proportion to the number of sales of the company.