Alan loans $3750 to Betty at a 6.2% simple interest rate. Betty agrees to repay the loan after 13 months. After 3 months, Alan needs money unexpectedly, so he sells the loan to Chris for $3800. What...

Alan loans $3750 to Betty at a 6.2% simple interest rate. Betty agrees to repay the loan after 13 months. After 3 months, Alan needs money unexpectedly, so he sells the loan to Chris for $3800. What annual rate of simple interest does Chris earn on this investment? Give your answer as a percentage, rounded to 2 decimal places.