ABC, Inc., has budgeted sales in units for the next five months as follows: June July August September October 7,500 units 5,800 units 7,600 units 7,300 units 5,400 units Past experience has shown that the ending inventory for each month should be equal to 20% of the next month's sales in units. The inventory on May 31 contained 1,500 units. The company needs to prepare a production budget for the next five months. The beginning inventory for September should be: Select one: O a. 1,080 units O b. 1,520 units O c. 1,500 units d. 1,460 units