What will be the convexity of a coupon paying bond that pays its coupon of 3% annually the principal at the end and is maturing in 3 years and has current yield of 4%? Assume Principal is 100

What will be the convexity of a coupon paying bond that pays its coupon of 3% annually the principal at the end and is maturing in 3 years and has current yield of 4%? Assume Principal is 100