Echo Tune Instruments manufactures trumpets, trombones, tubas, and other brass instruments. The following standards were developed for a line of trumpets (Click the icon to view the standards.) During April, Echo Tune scheduled 610 trumpets for production. However, the company produced only 565. Echo Tune purchased and used 2,735 pounds of direct materials at a unit price of $13.80 per pound. It used 6,025 hours of direct labor at an actual rate of $29.00 per hour