Roberts Enterprises has budgeted sales in units for the next five months as follows: June July August September October 4,610 units 7,650 units 5,410 units 6,920 units 3,810 units Past experience has shown that the ending inventory for each month must be equal to 30% of the next month's sales in units. The inventory on May 31 contained 1,383 units. The company needs to prepare a production budget for the second quarter of the year. The total number of units to be produced in July is