Business is the activity of making one's living or making money by producing or buying and selling products (such as goods and services). This book provides over 2,000 Exam Prep questions and answers to accompany the text Us Customs Regulations Handbook Items include highly probable exam items: Callable bond, Trial balance, Bank, Issuer, Coupon, Internal rate of return, Selling, Amortization, Security, Write-off, Operating lease, face value, Limited liability, Initial public offering, Accounts receivable, and more.