Vicky has a t-shirt shop. Her plan for 2023 was to sell 1,002 t-shirts for $70 each. Each t-shirt is budgeted to use $10 of direct material. At the end of 2023, Vicky goes through the accounting records to evaluate the business and make plans for the next year. Vicky has sold 922 t-shirts and has actual sales revenue of $67,565. The actual amount spent on direct materials was $10,343. What is the flexible budget variance for direct materials