Oak Creek Company is preparing its master budget for 2020. Relevant data pertaining to its sales, production, and direct materials budgets are as follows. Sales: Sales for the year are expected to total 1,000,000 units. Quarterly sales are 20%, 25%, 25%, and 30%, respectively. The sales price is expected to be $40 per unit for the first three quarters and $46 per unit beginning in the fourth quarter. Sales in the first quarter of 2021 are expected to be 10% higher than the budgeted sales for the first quarter of 2020. Production: Management desires to maintain the ending finished goods inventories at 20% of the next quarter's budgeted sales volume. Direct materials: Each unit requires 2 kg of raw materials at a cost of $10 per kilogram. Management desires to maintain raw materials inventories at 10% of the next quarter's production requirements. Assume the production requirements for the first quarter of 2021 are 400,000 kg.

1. Prepare the sales budget by quarters for 2020.

2. Prepare the production budget by quarters for 2020.

3. Prepare the direct materials budget by quarters for 2020.