I need help with this Managerial Accounting assignmet. please make it clear so that I can understand how you get the answer.

3. Given the following sales numbers from a sales budget, complete the production budget for the first and second quarter. Assume the company likes to keep on hand an ending inventory at the end of each quarter equal to 30 percent of the next quarter's sales. The beginning inventory balance at the beginning of the first quarter is 300 units. Year One 2nd QC 1 Qte 30 Qte Budgeted unit sales 1,000 2,000 4,000 Addedesired ending inventory Subtotal Less: units in beginning finished goods inventory Production in units