Roberts Enterprises has budgeted sales in units for the next five months as follows:

June	4,700	units
July	8,100	units
August	5,500	units
September	7,100	units
October	3,900	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 1,410 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: