Three workers reported the number of days they worked, their total hours, and their total sales during the past month. The first worked 22 days (a total of 176 hours) and made sales of $4400. The second worked 24 days (a total of 204 hours) and made sales of $4790. The third worked 18 days (a total of 139 hours) and made sales of $3370. Which matrix represents this data?