Indigo Company is preparing its master budget for 2022. Relevant data pertaining to its sales, production, and direct materials budgets are as follows. Sales: Sales for the year are expected to total 1,200,000 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 2023 are expected to be 10% higher than the budgeted sales for the first quarter of 2022. 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 2kg 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 2023 are 610,000kg. (a1) Prepare the sales budget by quarters for 2022