Crystal Telecom has budgeted the sales of its innovative mobile phone over the next four months as follows:
Sales in Units
July . . . . . . . . . . . . . . 30,000
August . . . . . . . . . . . 45,000
September . . . . . . . . 60,000
October . . . . . . . . . . 50,000
The company is now in the process of preparing a production budget for the third quarter. Past experience has shown that end-of-month inventories of finished goods must equal 10% of the next month’s sales. The inventory at the end of June was 3,000 units.

Required:
Prepare a production budget for the third quarter showing the number of units to be produced each month and for the quarter in total.