X Company, a manufacturer, incurred the following costs in 2020: Factory supervisor salary Product development costs Advertising costs Factory equipment rental Direct materials Direct labor Legal department costs Factory supplies Purchasing department costs Miscellaneous overhead $4,503 5,899 4,949 5,753 5,371 5,866 5,097 4,661 4,606 4,105 What were total manufacturing costs in 2020? A: $9,758 B: $10,402 C: $19,022 OD: $20,551 OE: $30,259 OF: $50,810