Bodine Electric, based in Des Moines, Iowa, USA, makes gear motors with a three-stage, selectively hardened gearing cluster that is permanently lubricated. If the company borrows $20 million for a new distribution facility in Europe, how much must it pay back each year to repay the loan in six equal annual payments at an interest rate of 10% per year?

Identify the four engineering economy symbols and their values. Use a question mark with the symbol whose value is to be determined.