Your folks just called and would like some advice from you. An insurance agent just called them and offered them the opportunity to purchase an annuity for $27,997.98 that will pay them $4,000 per year for 20 years. Theydon't have the slightest idea what return they would be making on their investment of $27,997.98. What rate of return would they beearning?

The annual rate of return your folks would be earning on their investment is _________%(Round to two decimalplaces.)