The sales forecast for birdhouses built by Culver Enterprises follows. Beginning inventory for the year is expected to be 14,000 birdhouses, and the production manager prefers to maintain an ending inventory of 15% of the next quarter's sales. Quarter Number of Birdhouses First 14,000 Second 42,000 Third Fourth 47,000 70,000 Prepare a quarterly production budget. Assume that the sales forecast for the first quarter of the following year is the same as the first quarter forecast for this year. Planned Sales Production Requirements Total Units Needed Desired Ending Inventory Planned Beginning Inventory Quarter First Second Third Fourth