Michael Hoffman, Inc., has budgeted sales in units for the next five months as follows: June 8500 units July 6800 units August 8600 units September 8300 units October 6400 units Past experience has shown that the ending inventory for each month should be equal to 15% of the next month's sales in units. The inventory on May 31 contained 1275 units. The company needs to prepare a production budget for the next five months. The beginning inventory for September should be: 1275 units 960 units 1290 units 1245 units