Detmer Enterprises has budgeted sales for the next four months as follows: Budgeted Sales in Units January 7,400 units February 3,900 units March 5,300 units April 4,600 units Past experience has shown that the ending inventory for each month should be equal to 15% of the next month's expected sales in units. The company is currently preparing a production budget. Calculate the total number of units budgeted to be produced in March.