Problem 10.12 (LO2) Budget Relationships The accountant at Supreme Audio resigned while he was in the midst of preparing the budget for 2021. His work papers indicated the following: Budgeted Sales and Inventory Purchases for 2021 Assumptions: Sales will increase by 25 percent over 2020 . Cost of sales equals 75 percent of sales. For 2021, ending inventory should equal 35 percent of the cost of sales for the next quarter. Sales in the first quarter of 2022 will be $300,000. Required Fill in the missing information to determine the sales and purchases budgets for 2021