Top Mane Brushes produces a premlum hairbrush. Total manufacturing costs are $210,000 when 21,000 brushes are produced. Of this amount, total variable costs are $89,250. What are the h production costs when 24,000 hairbrushes are produced? Assume the same relevant range. Determine the formula, then caloulate the total production costs. (Round intermediary calculations to the nearest cent and round your final answer to the neareat whale doliar) L. Total production costs