Paige Company estimates that unit sales will be 10,000 in quarter 1, 14,000 in quarter 2, 15,000 in quarter 3, and 18,000 in quarter 4. The unit selling price is $70. Management desires to have an ending finished goods inventory equal to 25% of the next quarter's expected unit sales. Prepare a production budget by quarters for the first 6 months of 2022.