Korie wants to start her own business making custom furniture. She can purchase a factory that costs $400,000. Korie currently has $500,000 in the bank earning 3 percent interest per year.

Refer to Scenario 13-1. Suppose Korie purchases the factory using $200,000 of her own money and $200,000 borrowed from a bank at an interest rate of 6 percent. What is Korie's annual opportunity cost of purchasing the factory?