(a) Each person engaged in discounting or buying conditional sales contracts, drafts, acceptances, notes, or mortgages on personal property shall pay an annual license tax as follows: Employing capital of $50,000 or less, $5; $50,000 to $100,000, $10; $100,000 to $150,000, $15; $150,000 to $300,000, $25; $300,000 to $500,000, $100; $500,000 and up, $300, the payment of which shall be sufficient to engage in business in any county of the state except the county in which the principal office is located, in which case the county license tax shall be one half of the above schedule.
(b) Each person engaging in business of lending money on salaries or making industrial or personal loans shall pay an annual license tax of $100 for each county in which he engages in business.