Natalie takes a car to a title loan business to borrow some money. Natalie is given $3,200.00. She must pay back the $3,200.00 in addition to a $1,000.00 fee in 4 months.

What simple interest rate is she being
charged?

Round to the nearest tenth of a percent and don't forget to include a percent sign, %, in your answer.

Natalie is being charged a simply interest rate of ______.