Serge's graduated commission scale pays him 3% on his first $30,000 in sales, 4% on the next $20,000, and 6% on all additional sales in a month. What will be his average commission rate on sales for a month totalling a) $60,000, b) $100,000?

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The Answer of Serge's graduated commission scale pays him 3% on his first $30,000 in sales, 4% on the next $20,000, and 6% on all additional sales in a month. What will be his average commission rate on sales for a month totalling a) $60,000, b) $100,000?

Serge's Graduated Commission Scale Pays Him 3% on His First