At January 1, 2022, Vaughn, Inc. has beginning inventory of 4100 surfboards. Vaughn estimates it will sell 20800 units during the first quarter of 2022 with a 10% increase in sales each quarter. Vaughn's policy is to maintain an ending inventory equal to 25% of the next quarter's sales. Each surfboard costs $160 and is sold for $280. How many units should Vaughn produce during the first quarter of 2022? 22420208001878016700